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additional robustness check for incremental sat solver core when it recieves interpreted constants, added PB equality to interface and special handling of equalities to adddress performance gap documented in #755

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-10-25 20:32:13 -07:00
parent fefd00aa49
commit 461e88e34c
21 changed files with 430 additions and 84 deletions
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18
src/api/api_pb.cpp
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@ -57,5 +57,23 @@ extern "C" {
Z3_CATCH_RETURN(0);
}
Z3_ast Z3_API Z3_mk_pbeq(Z3_context c, unsigned num_args,
Z3_ast const args[], int _coeffs[],
int k) {
Z3_TRY;
LOG_Z3_mk_pble(c, num_args, args, _coeffs, k);
RESET_ERROR_CODE();
pb_util util(mk_c(c)->m());
vector<rational> coeffs;
for (unsigned i = 0; i < num_args; ++i) {
coeffs.push_back(rational(_coeffs[i]));
}
ast* a = util.mk_eq(num_args, coeffs.c_ptr(), to_exprs(args), rational(k));
mk_c(c)->save_ast_trail(a);
check_sorts(c, a);
RETURN_Z3(of_ast(a));
Z3_CATCH_RETURN(0);
}
};