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fix extraction of trail

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-01-30 09:06:41 -08:00
parent 08ce6f7ac1
commit 35eb21bc35
2 changed files with 2 additions and 2 deletions
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2
src/api/python/z3/z3.py
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@ -6731,7 +6731,7 @@ class Solver(Z3PPObject):
"""Return trail and decision levels of the solver state after a check() call.
"""
trail = self.trail()
levels = (ctypes.c_uint * len(trail))
levels = (ctypes.c_uint * len(trail))()
Z3_solver_get_levels(self.ctx.ref(), self.solver, trail.vector, len(trail), levels)
return trail, levels

2
src/sat/sat_solver/inc_sat_solver.cpp
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@ -324,7 +324,7 @@ public:
depth.resize(sz);
for (unsigned i = 0; i < sz; ++i) {
auto bv = m_map.to_bool_var(vars[i]);
depth = bv == sat::null_bool_var ? UINT_MAX : m_solver.lvl(bv);
depth[i] = bv == sat::null_bool_var ? UINT_MAX : m_solver.lvl(bv);
}
}