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adding SMT2 log file for solver interaction #867

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-08 11:44:47 -07:00
parent b6c13340bd
commit f6f3ca1507
9 changed files with 159 additions and 28 deletions
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16
src/api/python/z3/z3.py
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@ -6436,7 +6436,7 @@ unknown = CheckSatResult(Z3_L_UNDEF)
class Solver(Z3PPObject):
"""Solver API provides methods for implementing the main SMT 2.0 commands: push, pop, check, get-model, etc."""
def __init__(self, solver=None, ctx=None):
def __init__(self, solver=None, ctx=None, logFile=None):
assert solver is None or ctx is not None
self.ctx = _get_ctx(ctx)
self.backtrack_level = 4000000000
@ -6446,6 +6446,8 @@ class Solver(Z3PPObject):
else:
self.solver = solver
Z3_solver_inc_ref(self.ctx.ref(), self.solver)
if logFile is not None:
Z3_solver_open_smt2log(self.ctx.ref(), self.solver, logFile)
def __del__(self):
if self.solver is not None and self.ctx.ref() is not None:
@ -6906,7 +6908,7 @@ class Solver(Z3PPObject):
e = BoolVal(True, self.ctx).as_ast()
return Z3_benchmark_to_smtlib_string(self.ctx.ref(), "benchmark generated from python API", "", "unknown", "", sz1, v, e)
def SolverFor(logic, ctx=None):
def SolverFor(logic, ctx=None, logFile=None):
"""Create a solver customized for the given logic.
The parameter `logic` is a string. It should be contains
@ -6924,9 +6926,9 @@ def SolverFor(logic, ctx=None):
"""
ctx = _get_ctx(ctx)
logic = to_symbol(logic)
return Solver(Z3_mk_solver_for_logic(ctx.ref(), logic), ctx)
return Solver(Z3_mk_solver_for_logic(ctx.ref(), logic), ctx, logFile)
def SimpleSolver(ctx=None):
def SimpleSolver(ctx=None, logFile=None):
"""Return a simple general purpose solver with limited amount of preprocessing.
>>> s = SimpleSolver()
@ -6936,7 +6938,7 @@ def SimpleSolver(ctx=None):
sat
"""
ctx = _get_ctx(ctx)
return Solver(Z3_mk_simple_solver(ctx.ref()), ctx)
return Solver(Z3_mk_simple_solver(ctx.ref()), ctx, logFile)
#########################################
#
@ -7662,7 +7664,7 @@ class Tactic:
if self.tactic is not None and self.ctx.ref() is not None:
Z3_tactic_dec_ref(self.ctx.ref(), self.tactic)
def solver(self):
def solver(self, logFile=None):
"""Create a solver using the tactic `self`.
The solver supports the methods `push()` and `pop()`, but it
@ -7677,7 +7679,7 @@ class Tactic:
>>> s.model()
[x = 1.4142135623?]
"""
return Solver(Z3_mk_solver_from_tactic(self.ctx.ref(), self.tactic), self.ctx)
return Solver(Z3_mk_solver_from_tactic(self.ctx.ref(), self.tactic), self.ctx, logFile)
def apply(self, goal, *arguments, **keywords):
"""Apply tactic `self` to the given goal or Z3 Boolean expression using the given options.