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update generation of empty sequence to take sort argument, fix mk_concat substitution

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2026-03-13 10:00:23 -07:00
parent e384e8f3d4
commit df9df50a71
6 changed files with 146 additions and 121 deletions
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108
spec/perf-results.csv
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@ -1,55 +1,55 @@
benchmark,full_path,seq_status,seq_time,nseq_status,nseq_time,zipt_status,zipt_time
20230329-automatark-lu/instance00000.smt2,C:\c3\tests\non-incremental\QF_S\20230329-automatark-lu\instance00000.smt2,sat,0.492,timeout,10.099,sat,0.46
20230329-automatark-lu/instance05331.smt2,C:\c3\tests\non-incremental\QF_S\20230329-automatark-lu\instance05331.smt2,sat,0.469,timeout,10.083,sat,0.496
20230329-automatark-lu/instance10662.smt2,C:\c3\tests\non-incremental\QF_S\20230329-automatark-lu\instance10662.smt2,unsat,0.511,timeout,10.087,unsat,0.489
20240318-omark/cloud-service-query-1.smt2,C:\c3\tests\non-incremental\QF_S\20240318-omark\cloud-service-query-1.smt2,sat,7.603,Result: SAT,0.53,sat,1.092
20240318-omark/lyndon-schuetzenberg-3.smt2,C:\c3\tests\non-incremental\QF_S\20240318-omark\lyndon-schuetzenberg-3.smt2,timeout,10.065,timeout,10.49,timeout,10.41
20240318-omark/noodles-unsat-5.smt2,C:\c3\tests\non-incremental\QF_S\20240318-omark\noodles-unsat-5.smt2,timeout,10.445,unknown,0.436,sat,0.939
20250410-matching/sub-matching-sat-1.smt2,C:\c3\tests\non-incremental\QF_S\20250410-matching\sub-matching-sat-1.smt2,timeout,10.074,timeout,10.448,crash,0.781
20250410-matching/sub-matching-unsat-16.smt2,C:\c3\tests\non-incremental\QF_S\20250410-matching\sub-matching-unsat-16.smt2,timeout,10.472,timeout,10.443,crash,0.808
20250410-matching/wildcard-matching-regex-104.smt2,C:\c3\tests\non-incremental\QF_S\20250410-matching\wildcard-matching-regex-104.smt2,sat,0.531,unknown,0.085,unknown,0.404
20250410-matching/wildcard-matching-regex-41.smt2,C:\c3\tests\non-incremental\QF_S\20250410-matching\wildcard-matching-regex-41.smt2,crash,0.389,unknown,0.341,crash,0.699
20250411-hornstr-equiv/Burns_lstar_non_incre_equiv_bad_0_0.smt2,C:\c3\tests\non-incremental\QF_S\20250411-hornstr-equiv\Burns_lstar_non_incre_equiv_bad_0_0.smt2,sat,0.123,unknown,0.093,sat,0.503
20250411-hornstr-equiv/dining-cryptographers_sat_non_incre_equiv_init_0_3.smt2,C:\c3\tests\non-incremental\QF_S\20250411-hornstr-equiv\dining-cryptographers_sat_non_incre_equiv_init_0_3.smt2,sat,0.1,Result: UNSAT,0.107,sat,0.488
20250411-hornstr-equiv/muzzle_sat_non_incre_equiv_bad_0_13.smt2,C:\c3\tests\non-incremental\QF_S\20250411-hornstr-equiv\muzzle_sat_non_incre_equiv_bad_0_13.smt2,unsat,0.059,unsat,0.097,unsat,0.419
20250411-negated-predicates/diseq-1-3-5-0.smt2,C:\c3\tests\non-incremental\QF_S\20250411-negated-predicates\diseq-1-3-5-0.smt2,timeout,10.067,Result: SAT,0.461,timeout,10
20250411-negated-predicates/diseq-None-4-5-107.smt2,C:\c3\tests\non-incremental\QF_S\20250411-negated-predicates\diseq-None-4-5-107.smt2,timeout,10.411,Result: SAT,0.437,timeout,10
20250411-negated-predicates/not-contains-1-4-5-112.smt2,C:\c3\tests\non-incremental\QF_S\20250411-negated-predicates\not-contains-1-4-5-112.smt2,timeout,10.445,unknown,0.43,sat,0.404
pcp-3-3-random/pcp_instance_0.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-3-random\pcp_instance_0.smt2,unknown,0.098,timeout,10.077,unknown,0.321
pcp-3-3-random/pcp_instance_248.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-3-random\pcp_instance_248.smt2,unknown,0.462,timeout,10.077,unknown,0.289
pcp-3-3-random/pcp_instance_398.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-3-random\pcp_instance_398.smt2,unknown,0.456,timeout,10.074,unknown,0.316
pcp-3-4-hard/unsolved_pcp_instance_0.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-4-hard\unsolved_pcp_instance_0.smt2,unknown,0.467,timeout,10.074,unknown,0.335
pcp-3-4-hard/unsolved_pcp_instance_248.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-4-hard\unsolved_pcp_instance_248.smt2,unknown,0.458,timeout,10.061,unknown,0.316
pcp-3-4-hard/unsolved_pcp_instance_398.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-4-hard\unsolved_pcp_instance_398.smt2,unknown,0.468,timeout,10.072,unknown,0.305
queries/query2885.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query2885.smt2,sat,0.886,unknown,0.093,sat,0.386
queries/query3358.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query3358.smt2,sat,0.519,unknown,0.068,sat,0.448
queries/query3664.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query3664.smt2,sat,0.271,unknown,0.072,sat,0.424
queries/query6481.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query6481.smt2,sat,0.218,unknown,0.069,sat,0.433
queries-no-ree/query10041.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query10041.smt2,sat,0.798,unknown,0.075,sat,0.448
queries-no-ree/query3231.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query3231.smt2,sat,0.444,unknown,0.474,sat,0.422
queries-no-ree/query3723.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query3723.smt2,sat,0.422,unknown,0.082,sat,0.451
queries-no-ree/query5519.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query5519.smt2,sat,0.222,unknown,0.09,sat,0.418
rna-sat/benchmark_0001.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-sat\benchmark_0001.smt2,unknown,0.079,unknown,0.06,unknown,0.275
rna-sat/benchmark_0167.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-sat\benchmark_0167.smt2,unknown,0.074,unknown,0.08,unknown,0.276
rna-sat/benchmark_0333.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-sat\benchmark_0333.smt2,unknown,0.109,unknown,0.09,unknown,0.269
rna-unsat/benchmark_0001.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-unsat\benchmark_0001.smt2,unknown,0.08,unknown,0.097,unknown,0.246
rna-unsat/benchmark_0167.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-unsat\benchmark_0167.smt2,unknown,0.091,unknown,0.088,unknown,0.269
rna-unsat/benchmark_0333.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-unsat\benchmark_0333.smt2,unknown,0.099,unknown,0.094,unknown,0.293
slog/slog_stranger_1001_sink.smt2,C:\c3\tests\non-incremental\QF_S\2019-Jiang\slog\slog_stranger_1001_sink.smt2,unsat,0.092,unsat,0.084,unsat,0.416
slog/slog_stranger_2251_sink.smt2,C:\c3\tests\non-incremental\QF_S\2019-Jiang\slog\slog_stranger_2251_sink.smt2,unsat,0.433,unsat,0.077,unsat,0.352
slog/slog_stranger_3947_sink.smt2,C:\c3\tests\non-incremental\QF_S\2019-Jiang\slog\slog_stranger_3947_sink.smt2,sat,0.218,unknown,0.094,sat,0.575
track01/01_track_1.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_1.smt2,sat,0.084,sat,0.082,sat,0.404
track01/01_track_144.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_144.smt2,sat,0.06,sat,0.094,sat,0.503
track01/01_track_19.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_19.smt2,sat,0.073,sat,0.061,sat,0.434
track01/01_track_54.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_54.smt2,sat,0.101,Result: SAT,0.093,sat,1.142
track02/02_track_1.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track02\02_track_1.smt2,timeout,10.075,Result: SAT,0.523,sat,0.594
track02/02_track_4.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track02\02_track_4.smt2,timeout,10.072,Result: SAT,0.723,sat,6.008
track02/02_track_7.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track02\02_track_7.smt2,timeout,10.428,Result: SAT,0.644,sat,2.855
track03/03_track_1.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_1.smt2,unsat,0.065,unsat,0.08,unsat,0.472
track03/03_track_144.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_144.smt2,sat,0.086,Result: SAT,0.075,sat,0.832
track03/03_track_19.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_19.smt2,unsat,0.094,unsat,0.077,unsat,0.388
track03/03_track_54.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_54.smt2,timeout,10.448,Result: UNSAT,0.482,unsat,0.508
track04/04_track_1.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_1.smt2,sat,0.067,sat,0.062,sat,0.367
track04/04_track_144.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_144.smt2,unsat,0.088,unsat,0.072,unsat,0.515
track04/04_track_19.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_19.smt2,unsat,0.084,unsat,0.068,unsat,0.467
track04/04_track_54.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_54.smt2,sat,0.085,sat,0.084,sat,0.462
20230329-automatark-lu/instance00000.smt2,C:\c3\tests\non-incremental\QF_S\20230329-automatark-lu\instance00000.smt2,sat,5.549,timeout,10.069,sat,0.449
20230329-automatark-lu/instance05331.smt2,C:\c3\tests\non-incremental\QF_S\20230329-automatark-lu\instance05331.smt2,sat,0.489,timeout,10.078,sat,0.511
20230329-automatark-lu/instance10662.smt2,C:\c3\tests\non-incremental\QF_S\20230329-automatark-lu\instance10662.smt2,unsat,0.554,timeout,10.095,unsat,0.509
20240318-omark/cloud-service-query-1.smt2,C:\c3\tests\non-incremental\QF_S\20240318-omark\cloud-service-query-1.smt2,sat,8.002,sat,0.527,sat,1.155
20240318-omark/lyndon-schuetzenberg-3.smt2,C:\c3\tests\non-incremental\QF_S\20240318-omark\lyndon-schuetzenberg-3.smt2,timeout,10.087,timeout,10.493,timeout,10.425
20240318-omark/noodles-unsat-5.smt2,C:\c3\tests\non-incremental\QF_S\20240318-omark\noodles-unsat-5.smt2,timeout,10.463,unknown,0.472,sat,0.882
20250410-matching/sub-matching-sat-1.smt2,C:\c3\tests\non-incremental\QF_S\20250410-matching\sub-matching-sat-1.smt2,timeout,10.072,timeout,10.452,crash,0.879
20250410-matching/sub-matching-unsat-16.smt2,C:\c3\tests\non-incremental\QF_S\20250410-matching\sub-matching-unsat-16.smt2,timeout,10.439,timeout,10.601,crash,0.871
20250410-matching/wildcard-matching-regex-104.smt2,C:\c3\tests\non-incremental\QF_S\20250410-matching\wildcard-matching-regex-104.smt2,sat,0.588,unknown,0.096,unknown,0.429
20250410-matching/wildcard-matching-regex-41.smt2,C:\c3\tests\non-incremental\QF_S\20250410-matching\wildcard-matching-regex-41.smt2,crash,0.415,unknown,0.339,crash,0.718
20250411-hornstr-equiv/Burns_lstar_non_incre_equiv_bad_0_0.smt2,C:\c3\tests\non-incremental\QF_S\20250411-hornstr-equiv\Burns_lstar_non_incre_equiv_bad_0_0.smt2,sat,0.139,timeout,10.094,sat,0.592
20250411-hornstr-equiv/dining-cryptographers_sat_non_incre_equiv_init_0_3.smt2,C:\c3\tests\non-incremental\QF_S\20250411-hornstr-equiv\dining-cryptographers_sat_non_incre_equiv_init_0_3.smt2,sat,0.519,unsat,0.139,sat,0.509
20250411-hornstr-equiv/muzzle_sat_non_incre_equiv_bad_0_13.smt2,C:\c3\tests\non-incremental\QF_S\20250411-hornstr-equiv\muzzle_sat_non_incre_equiv_bad_0_13.smt2,unsat,0.096,unsat,0.07,unsat,0.46
20250411-negated-predicates/diseq-1-3-5-0.smt2,C:\c3\tests\non-incremental\QF_S\20250411-negated-predicates\diseq-1-3-5-0.smt2,timeout,10.063,unknown,0.476,timeout,10
20250411-negated-predicates/diseq-None-4-5-107.smt2,C:\c3\tests\non-incremental\QF_S\20250411-negated-predicates\diseq-None-4-5-107.smt2,timeout,10.463,unknown,0.491,timeout,10
20250411-negated-predicates/not-contains-1-4-5-112.smt2,C:\c3\tests\non-incremental\QF_S\20250411-negated-predicates\not-contains-1-4-5-112.smt2,timeout,10.46,unknown,0.434,sat,0.407
pcp-3-3-random/pcp_instance_0.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-3-random\pcp_instance_0.smt2,unknown,0.1,timeout,10.079,unknown,0.296
pcp-3-3-random/pcp_instance_248.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-3-random\pcp_instance_248.smt2,unknown,0.467,timeout,10.082,unknown,0.345
pcp-3-3-random/pcp_instance_398.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-3-random\pcp_instance_398.smt2,unknown,0.471,timeout,10.066,unknown,0.347
pcp-3-4-hard/unsolved_pcp_instance_0.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-4-hard\unsolved_pcp_instance_0.smt2,unknown,0.494,timeout,10.073,unknown,0.304
pcp-3-4-hard/unsolved_pcp_instance_248.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-4-hard\unsolved_pcp_instance_248.smt2,unknown,0.482,timeout,10.079,unknown,0.332
pcp-3-4-hard/unsolved_pcp_instance_398.smt2,C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-4-hard\unsolved_pcp_instance_398.smt2,unknown,0.461,timeout,10.076,unknown,0.305
queries/query2885.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query2885.smt2,sat,0.878,timeout,10.093,sat,0.468
queries/query3358.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query3358.smt2,sat,0.94,timeout,10.103,sat,0.484
queries/query3664.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query3664.smt2,sat,0.691,timeout,10.131,sat,0.573
queries/query6481.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query6481.smt2,sat,0.611,timeout,10.092,sat,0.491
queries-no-ree/query10041.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query10041.smt2,sat,1.176,timeout,10.119,sat,0.484
queries-no-ree/query3231.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query3231.smt2,sat,0.84,timeout,10.105,sat,0.476
queries-no-ree/query3723.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query3723.smt2,sat,0.836,timeout,10.11,sat,0.469
queries-no-ree/query5519.smt2,C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query5519.smt2,sat,0.633,timeout,10.1,sat,0.458
rna-sat/benchmark_0001.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-sat\benchmark_0001.smt2,unknown,0.495,unknown,0.09,unknown,0.286
rna-sat/benchmark_0167.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-sat\benchmark_0167.smt2,unknown,0.091,unknown,0.102,unknown,0.265
rna-sat/benchmark_0333.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-sat\benchmark_0333.smt2,unknown,0.098,unknown,0.076,unknown,0.254
rna-unsat/benchmark_0001.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-unsat\benchmark_0001.smt2,unknown,0.092,unknown,0.093,unknown,0.293
rna-unsat/benchmark_0167.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-unsat\benchmark_0167.smt2,unknown,0.098,unknown,0.077,unknown,0.33
rna-unsat/benchmark_0333.smt2,C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-unsat\benchmark_0333.smt2,unknown,0.104,unknown,0.093,unknown,0.304
slog/slog_stranger_1001_sink.smt2,C:\c3\tests\non-incremental\QF_S\2019-Jiang\slog\slog_stranger_1001_sink.smt2,unsat,0.073,unsat,0.085,unsat,0.443
slog/slog_stranger_2251_sink.smt2,C:\c3\tests\non-incremental\QF_S\2019-Jiang\slog\slog_stranger_2251_sink.smt2,unsat,0.082,unsat,0.086,unsat,0.386
slog/slog_stranger_3947_sink.smt2,C:\c3\tests\non-incremental\QF_S\2019-Jiang\slog\slog_stranger_3947_sink.smt2,sat,0.221,sat,3.478,sat,0.646
track01/01_track_1.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_1.smt2,sat,0.483,sat,0.092,sat,0.466
track01/01_track_144.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_144.smt2,sat,0.064,sat,0.072,sat,0.434
track01/01_track_19.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_19.smt2,sat,0.089,sat,0.083,sat,0.444
track01/01_track_54.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_54.smt2,sat,0.114,sat,0.099,sat,1.016
track02/02_track_1.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track02\02_track_1.smt2,timeout,10.081,sat,0.521,sat,0.566
track02/02_track_4.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track02\02_track_4.smt2,timeout,10.078,sat,0.737,sat,6.142
track02/02_track_7.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track02\02_track_7.smt2,timeout,10.451,sat,0.64,sat,2.842
track03/03_track_1.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_1.smt2,unsat,0.061,unsat,0.081,unsat,0.378
track03/03_track_144.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_144.smt2,sat,0.088,sat,0.095,sat,0.865
track03/03_track_19.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_19.smt2,unsat,0.096,unsat,0.066,unsat,0.376
track03/03_track_54.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_54.smt2,timeout,10.449,unsat,0.492,unsat,0.586
track04/04_track_1.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_1.smt2,sat,0.091,sat,0.074,sat,0.346
track04/04_track_144.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_144.smt2,unsat,0.069,unsat,0.071,unsat,0.516
track04/04_track_19.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_19.smt2,unsat,0.094,unsat,0.07,unsat,0.476
track04/04_track_54.smt2,C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_54.smt2,sat,0.082,sat,0.066,sat,0.519

1 benchmark full_path seq_status seq_time nseq_status nseq_time zipt_status zipt_time
2 20230329-automatark-lu/instance00000.smt2 C:\c3\tests\non-incremental\QF_S\20230329-automatark-lu\instance00000.smt2 sat 0.492 5.549 timeout 10.099 10.069 sat 0.46 0.449
3 20230329-automatark-lu/instance05331.smt2 C:\c3\tests\non-incremental\QF_S\20230329-automatark-lu\instance05331.smt2 sat 0.469 0.489 timeout 10.083 10.078 sat 0.496 0.511
4 20230329-automatark-lu/instance10662.smt2 C:\c3\tests\non-incremental\QF_S\20230329-automatark-lu\instance10662.smt2 unsat 0.511 0.554 timeout 10.087 10.095 unsat 0.489 0.509
5 20240318-omark/cloud-service-query-1.smt2 C:\c3\tests\non-incremental\QF_S\20240318-omark\cloud-service-query-1.smt2 sat 7.603 8.002 Result: SAT sat 0.53 0.527 sat 1.092 1.155
6 20240318-omark/lyndon-schuetzenberg-3.smt2 C:\c3\tests\non-incremental\QF_S\20240318-omark\lyndon-schuetzenberg-3.smt2 timeout 10.065 10.087 timeout 10.49 10.493 timeout 10.41 10.425
7 20240318-omark/noodles-unsat-5.smt2 C:\c3\tests\non-incremental\QF_S\20240318-omark\noodles-unsat-5.smt2 timeout 10.445 10.463 unknown 0.436 0.472 sat 0.939 0.882
8 20250410-matching/sub-matching-sat-1.smt2 C:\c3\tests\non-incremental\QF_S\20250410-matching\sub-matching-sat-1.smt2 timeout 10.074 10.072 timeout 10.448 10.452 crash 0.781 0.879
9 20250410-matching/sub-matching-unsat-16.smt2 C:\c3\tests\non-incremental\QF_S\20250410-matching\sub-matching-unsat-16.smt2 timeout 10.472 10.439 timeout 10.443 10.601 crash 0.808 0.871
10 20250410-matching/wildcard-matching-regex-104.smt2 C:\c3\tests\non-incremental\QF_S\20250410-matching\wildcard-matching-regex-104.smt2 sat 0.531 0.588 unknown 0.085 0.096 unknown 0.404 0.429
11 20250410-matching/wildcard-matching-regex-41.smt2 C:\c3\tests\non-incremental\QF_S\20250410-matching\wildcard-matching-regex-41.smt2 crash 0.389 0.415 unknown 0.341 0.339 crash 0.699 0.718
12 20250411-hornstr-equiv/Burns_lstar_non_incre_equiv_bad_0_0.smt2 C:\c3\tests\non-incremental\QF_S\20250411-hornstr-equiv\Burns_lstar_non_incre_equiv_bad_0_0.smt2 sat 0.123 0.139 unknown timeout 0.093 10.094 sat 0.503 0.592
13 20250411-hornstr-equiv/dining-cryptographers_sat_non_incre_equiv_init_0_3.smt2 C:\c3\tests\non-incremental\QF_S\20250411-hornstr-equiv\dining-cryptographers_sat_non_incre_equiv_init_0_3.smt2 sat 0.1 0.519 Result: UNSAT unsat 0.107 0.139 sat 0.488 0.509
14 20250411-hornstr-equiv/muzzle_sat_non_incre_equiv_bad_0_13.smt2 C:\c3\tests\non-incremental\QF_S\20250411-hornstr-equiv\muzzle_sat_non_incre_equiv_bad_0_13.smt2 unsat 0.059 0.096 unsat 0.097 0.07 unsat 0.419 0.46
15 20250411-negated-predicates/diseq-1-3-5-0.smt2 C:\c3\tests\non-incremental\QF_S\20250411-negated-predicates\diseq-1-3-5-0.smt2 timeout 10.067 10.063 Result: SAT unknown 0.461 0.476 timeout 10
16 20250411-negated-predicates/diseq-None-4-5-107.smt2 C:\c3\tests\non-incremental\QF_S\20250411-negated-predicates\diseq-None-4-5-107.smt2 timeout 10.411 10.463 Result: SAT unknown 0.437 0.491 timeout 10
17 20250411-negated-predicates/not-contains-1-4-5-112.smt2 C:\c3\tests\non-incremental\QF_S\20250411-negated-predicates\not-contains-1-4-5-112.smt2 timeout 10.445 10.46 unknown 0.43 0.434 sat 0.404 0.407
18 pcp-3-3-random/pcp_instance_0.smt2 C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-3-random\pcp_instance_0.smt2 unknown 0.098 0.1 timeout 10.077 10.079 unknown 0.321 0.296
19 pcp-3-3-random/pcp_instance_248.smt2 C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-3-random\pcp_instance_248.smt2 unknown 0.462 0.467 timeout 10.077 10.082 unknown 0.289 0.345
20 pcp-3-3-random/pcp_instance_398.smt2 C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-3-random\pcp_instance_398.smt2 unknown 0.456 0.471 timeout 10.074 10.066 unknown 0.316 0.347
21 pcp-3-4-hard/unsolved_pcp_instance_0.smt2 C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-4-hard\unsolved_pcp_instance_0.smt2 unknown 0.467 0.494 timeout 10.074 10.073 unknown 0.335 0.304
22 pcp-3-4-hard/unsolved_pcp_instance_248.smt2 C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-4-hard\unsolved_pcp_instance_248.smt2 unknown 0.458 0.482 timeout 10.061 10.079 unknown 0.316 0.332
23 pcp-3-4-hard/unsolved_pcp_instance_398.smt2 C:\c3\tests\non-incremental\QF_S\20250403-pcp-string\pcp-3-4-hard\unsolved_pcp_instance_398.smt2 unknown 0.468 0.461 timeout 10.072 10.076 unknown 0.305
24 queries/query2885.smt2 C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query2885.smt2 sat 0.886 0.878 unknown timeout 0.093 10.093 sat 0.386 0.468
25 queries/query3358.smt2 C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query3358.smt2 sat 0.519 0.94 unknown timeout 0.068 10.103 sat 0.448 0.484
26 queries/query3664.smt2 C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query3664.smt2 sat 0.271 0.691 unknown timeout 0.072 10.131 sat 0.424 0.573
27 queries/query6481.smt2 C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries\query6481.smt2 sat 0.218 0.611 unknown timeout 0.069 10.092 sat 0.433 0.491
28 queries-no-ree/query10041.smt2 C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query10041.smt2 sat 0.798 1.176 unknown timeout 0.075 10.119 sat 0.448 0.484
29 queries-no-ree/query3231.smt2 C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query3231.smt2 sat 0.444 0.84 unknown timeout 0.474 10.105 sat 0.422 0.476
30 queries-no-ree/query3723.smt2 C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query3723.smt2 sat 0.422 0.836 unknown timeout 0.082 10.11 sat 0.451 0.469
31 queries-no-ree/query5519.smt2 C:\c3\tests\non-incremental\QF_S\2020-sygus-qgen\queries-no-ree\query5519.smt2 sat 0.222 0.633 unknown timeout 0.09 10.1 sat 0.418 0.458
32 rna-sat/benchmark_0001.smt2 C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-sat\benchmark_0001.smt2 unknown 0.079 0.495 unknown 0.06 0.09 unknown 0.275 0.286
33 rna-sat/benchmark_0167.smt2 C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-sat\benchmark_0167.smt2 unknown 0.074 0.091 unknown 0.08 0.102 unknown 0.276 0.265
34 rna-sat/benchmark_0333.smt2 C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-sat\benchmark_0333.smt2 unknown 0.109 0.098 unknown 0.09 0.076 unknown 0.269 0.254
35 rna-unsat/benchmark_0001.smt2 C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-unsat\benchmark_0001.smt2 unknown 0.08 0.092 unknown 0.097 0.093 unknown 0.246 0.293
36 rna-unsat/benchmark_0167.smt2 C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-unsat\benchmark_0167.smt2 unknown 0.091 0.098 unknown 0.088 0.077 unknown 0.269 0.33
37 rna-unsat/benchmark_0333.smt2 C:\c3\tests\non-incremental\QF_S\20250403-rna\rna-unsat\benchmark_0333.smt2 unknown 0.099 0.104 unknown 0.094 0.093 unknown 0.293 0.304
38 slog/slog_stranger_1001_sink.smt2 C:\c3\tests\non-incremental\QF_S\2019-Jiang\slog\slog_stranger_1001_sink.smt2 unsat 0.092 0.073 unsat 0.084 0.085 unsat 0.416 0.443
39 slog/slog_stranger_2251_sink.smt2 C:\c3\tests\non-incremental\QF_S\2019-Jiang\slog\slog_stranger_2251_sink.smt2 unsat 0.433 0.082 unsat 0.077 0.086 unsat 0.352 0.386
40 slog/slog_stranger_3947_sink.smt2 C:\c3\tests\non-incremental\QF_S\2019-Jiang\slog\slog_stranger_3947_sink.smt2 sat 0.218 0.221 unknown sat 0.094 3.478 sat 0.575 0.646
41 track01/01_track_1.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_1.smt2 sat 0.084 0.483 sat 0.082 0.092 sat 0.404 0.466
42 track01/01_track_144.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_144.smt2 sat 0.06 0.064 sat 0.094 0.072 sat 0.503 0.434
43 track01/01_track_19.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_19.smt2 sat 0.073 0.089 sat 0.061 0.083 sat 0.434 0.444
44 track01/01_track_54.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track01\01_track_54.smt2 sat 0.101 0.114 Result: SAT sat 0.093 0.099 sat 1.142 1.016
45 track02/02_track_1.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track02\02_track_1.smt2 timeout 10.075 10.081 Result: SAT sat 0.523 0.521 sat 0.594 0.566
46 track02/02_track_4.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track02\02_track_4.smt2 timeout 10.072 10.078 Result: SAT sat 0.723 0.737 sat 6.008 6.142
47 track02/02_track_7.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track02\02_track_7.smt2 timeout 10.428 10.451 Result: SAT sat 0.644 0.64 sat 2.855 2.842
48 track03/03_track_1.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_1.smt2 unsat 0.065 0.061 unsat 0.08 0.081 unsat 0.472 0.378
49 track03/03_track_144.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_144.smt2 sat 0.086 0.088 Result: SAT sat 0.075 0.095 sat 0.832 0.865
50 track03/03_track_19.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_19.smt2 unsat 0.094 0.096 unsat 0.077 0.066 unsat 0.388 0.376
51 track03/03_track_54.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track03\03_track_54.smt2 timeout 10.448 10.449 Result: UNSAT unsat 0.482 0.492 unsat 0.508 0.586
52 track04/04_track_1.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_1.smt2 sat 0.067 0.091 sat 0.062 0.074 sat 0.367 0.346
53 track04/04_track_144.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_144.smt2 unsat 0.088 0.069 unsat 0.072 0.071 unsat 0.515 0.516
54 track04/04_track_19.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_19.smt2 unsat 0.084 0.094 unsat 0.068 0.07 unsat 0.467 0.476
55 track04/04_track_54.smt2 C:\c3\tests\non-incremental\QF_S\20230329-woorpje-lu\track04\04_track_54.smt2 sat 0.085 0.082 sat 0.084 0.066 sat 0.462 0.519

18
src/ast/euf/euf_sgraph.cpp
View file

@ -461,21 +461,23 @@ namespace euf {
return mk(u);
}
snode* sgraph::mk_empty() {
expr_ref e(m_seq.str.mk_empty(m_str_sort), m);
snode* sgraph::mk_empty_seq(sort* s) {
expr_ref e(m_seq.str.mk_empty(s), m);
return mk(e);
}
snode* sgraph::mk_concat(snode* a, snode* b) {
if (a->is_empty()) return b;
if (b->is_empty()) return a;
expr_ref e(m_seq.str.mk_concat(a->get_expr(), b->get_expr()), m);
return mk(e);
if (m_seq.is_re(a->get_expr()))
return mk(expr_ref(m_seq.re.mk_concat(a->get_expr(), b->get_expr()), m));
else
return mk(expr_ref(m_seq.str.mk_concat(a->get_expr(), b->get_expr()), m));
}
snode* sgraph::drop_first(snode* n) {
if (n->is_empty() || n->is_token())
return mk_empty();
return mk_empty_seq(n->get_sort());
SASSERT(n->is_concat());
snode* l = n->arg(0);
snode* r = n->arg(1);
@ -486,7 +488,7 @@ namespace euf {
snode* sgraph::drop_last(snode* n) {
if (n->is_empty() || n->is_token())
return mk_empty();
return mk_empty_seq(n->get_sort());
SASSERT(n->is_concat());
snode* l = n->arg(0);
snode* r = n->arg(1);
@ -497,7 +499,7 @@ namespace euf {
snode* sgraph::drop_left(snode* n, unsigned count) {
if (count == 0 || n->is_empty()) return n;
if (count >= n->length()) return mk_empty();
if (count >= n->length()) return mk_empty_seq(n->get_sort());
for (unsigned i = 0; i < count; ++i)
n = drop_first(n);
return n;
@ -505,7 +507,7 @@ namespace euf {
snode* sgraph::drop_right(snode* n, unsigned count) {
if (count == 0 || n->is_empty()) return n;
if (count >= n->length()) return mk_empty();
if (count >= n->length()) return mk_empty_seq(n->get_sort());
for (unsigned i = 0; i < count; ++i)
n = drop_last(n);
return n;

2
src/ast/euf/euf_sgraph.h
View file

@ -128,7 +128,7 @@ namespace euf {
// factory methods for creating snodes with corresponding expressions
snode* mk_var(symbol const& name);
snode* mk_char(unsigned ch);
snode* mk_empty();
snode *mk_empty_seq(sort *s);
snode* mk_concat(snode* a, snode* b);
// drop operations: remove tokens from the front/back of a concat tree

4
src/ast/euf/euf_snode.h
View file

@ -143,6 +143,10 @@ namespace euf {
}
}
sort *get_sort() const {
return m_expr ? m_expr->get_sort() : nullptr;
}
// analogous to ZIPT's Str.First / Str.Last
snode const* first() const {
snode const* s = this;

132
src/smt/seq/seq_nielsen.cpp
View file

@ -544,7 +544,7 @@ namespace seq {
m_root = mk_node();
dep_tracker dep;
dep.insert(m_root->str_eqs().size() + m_root->str_mems().size());
euf::snode* history = m_sg.mk_empty();
euf::snode* history = m_sg.mk_empty_seq(str->get_sort());
unsigned id = next_mem_id();
m_root->add_str_mem(str_mem(str, regex, history, id, dep));
++m_num_input_mems;
@ -1055,7 +1055,7 @@ namespace seq {
arith_util arith(m);
for (euf::snode* t : tokens) {
if (t->is_var()) {
nielsen_subst s(t, sg.mk_empty(), dep);
nielsen_subst s(t, sg.mk_empty_seq(t->get_sort()), dep);
apply_subst(sg, s);
changed = true;
}
@ -1069,7 +1069,7 @@ namespace seq {
m_int_constraints.push_back(
int_constraint(pow_exp, zero, int_constraint_kind::eq, dep, m));
}
nielsen_subst s(t, sg.mk_empty(), dep);
nielsen_subst s(t, sg.mk_empty_seq(t->get_sort()), dep);
apply_subst(sg, s);
changed = true;
}
@ -1234,7 +1234,7 @@ namespace seq {
if (!merged) return nullptr;
// Rebuild snode from merged token list
euf::snode* rebuilt = sg.mk_empty();
euf::snode* rebuilt = sg.mk_empty_seq(side->get_sort());
for (unsigned k = 0; k < result.size(); ++k) {
rebuilt = (k == 0) ? result[k] : sg.mk_concat(rebuilt, result[k]);
}
@ -1281,7 +1281,7 @@ namespace seq {
if (!simplified) return nullptr;
if (result.empty()) return sg.mk_empty();
if (result.empty()) return sg.mk_empty_seq(side->get_sort());
euf::snode* rebuilt = result[0];
for (unsigned k = 1; k < result.size(); ++k)
rebuilt = sg.mk_concat(rebuilt, result[k]);
@ -2230,24 +2230,51 @@ namespace seq {
return true;
}
if (rhead->is_char() && lhead->is_var()) {
{
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, true);
nielsen_subst s(lhead, m_sg.mk_empty(), eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
{
euf::snode* replacement = dir_concat(m_sg, rhead, lhead, fwd);
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, false);
nielsen_subst s(lhead, replacement, eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
return true;
euf::snode* lhead = lhs_toks[0];
euf::snode* rhead = rhs_toks[0];
// char·A = y·B → branch 1: y→ε, branch 2: y→char·y
if (lhead->is_char() && rhead->is_var()) {
// branch 1: y → ε (progress)
{
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, true);
nielsen_subst s(rhead, m_sg.mk_empty_seq(rhead->get_sort()), eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
// branch 2: y → char·y (no progress)
{
euf::snode* replacement = m_sg.mk_concat(lhead, rhead);
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, false);
nielsen_subst s(rhead, replacement, eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
return true;
}
// x·A = char·B → branch 1: x→ε, branch 2: x→char·x
if (rhead->is_char() && lhead->is_var()) {
// branch 1: x → ε (progress)
{
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, true);
nielsen_subst s(lhead, m_sg.mk_empty_seq(lhead->get_sort()), eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
// branch 2: x → char·x (no progress)
{
euf::snode* replacement = m_sg.mk_concat(rhead, lhead);
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, false);
nielsen_subst s(lhead, replacement, eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
return true;
}
}
return false;
@ -2270,33 +2297,28 @@ namespace seq {
if (lhead->id() == rhead->id())
continue;
// child 1: x -> ε (progress)
{
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, true);
nielsen_subst s(lhead, m_sg.mk_empty(), eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
// child 2: x -> y·x (forward) or x·y (backward)
{
euf::snode* replacement = dir_concat(m_sg, rhead, lhead, fwd);
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, false);
nielsen_subst s(lhead, replacement, eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
// child 3: y -> x·y (forward) or y·x (backward)
{
euf::snode* replacement = dir_concat(m_sg, lhead, rhead, fwd);
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, false);
nielsen_subst s(rhead, replacement, eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
return true;
euf::snode_vector lhs_toks, rhs_toks;
eq.m_lhs->collect_tokens(lhs_toks);
eq.m_rhs->collect_tokens(rhs_toks);
if (lhs_toks.empty() || rhs_toks.empty())
continue;
euf::snode* lhead = lhs_toks[0];
euf::snode* rhead = rhs_toks[0];
if (!lhead->is_var() || !rhead->is_var())
continue;
if (lhead->id() == rhead->id())
continue;
// x·A = y·B where x,y are distinct variables (classic Nielsen)
// child 1: x → ε (progress)
{
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, true);
nielsen_subst s(lhead, m_sg.mk_empty_seq(lhead->get_sort()), eq.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
}
}
return false;
@ -2703,7 +2725,7 @@ namespace seq {
{
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, true);
nielsen_subst s(first, m_sg.mk_empty(), mem.m_dep);
nielsen_subst s(first, m_sg.mk_empty_seq(first->get_sort()), mem.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
created = true;
@ -2921,7 +2943,7 @@ namespace seq {
if (base->is_var()) {
child = mk_child(node);
e = mk_edge(node, child, true);
nielsen_subst s1(base, m_sg.mk_empty(), dep);
nielsen_subst s1(base, m_sg.mk_empty_seq(base->get_sort()), dep);
e->add_subst(s1);
child->apply_subst(m_sg, s1);
}
@ -2929,7 +2951,7 @@ namespace seq {
// Branch 2: replace the power token itself with ε (n = 0 semantics)
child = mk_child(node);
e = mk_edge(node, child, true);
nielsen_subst s2(power, m_sg.mk_empty(), dep);
nielsen_subst s2(power, m_sg.mk_empty_seq(power->get_sort()), dep);
e->add_subst(s2);
child->apply_subst(m_sg, s2);
@ -3096,7 +3118,7 @@ namespace seq {
// Side constraint: n = 0
nielsen_node *child = mk_child(node);
nielsen_edge *e = mk_edge(node, child, true);
nielsen_subst s1(power, m_sg.mk_empty(), eq->m_dep);
nielsen_subst s1(power, m_sg.mk_empty_seq(power->get_sort()), eq->m_dep);
e->add_subst(s1);
child->apply_subst(m_sg, s1);
if (exp_n)
@ -3413,7 +3435,7 @@ namespace seq {
{
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, true);
nielsen_subst s(first, m_sg.mk_empty(), mem.m_dep);
nielsen_subst s(first, m_sg.mk_empty_seq(first->get_sort()), mem.m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
created = true;
@ -3600,7 +3622,7 @@ namespace seq {
{
nielsen_node* child = mk_child(node);
nielsen_edge* e = mk_edge(node, child, true);
nielsen_subst s(power, m_sg.mk_empty(), eq->m_dep);
nielsen_subst s(power, m_sg.mk_empty_seq(power->get_sort()), eq->m_dep);
e->add_subst(s);
child->apply_subst(m_sg, s);
if (exp_n)

3
src/smt/theory_nseq.cpp
View file

@ -421,9 +421,6 @@ namespace smt {
// here the actual Nielsen solving happens
auto result = m_nielsen.solve();
std::cout << "Result: " << (result == seq::nielsen_graph::search_result::sat ? "SAT" : result == seq::nielsen_graph::search_result::unsat ? "UNSAT" : "UNKNOWN") << "\n";
// m_nielsen.to_dot(std::cout);
// std::cout << std::endl;
if (result == seq::nielsen_graph::search_result::sat) {
IF_VERBOSE(1, verbose_stream() << "nseq final_check: solve SAT, sat_node="