Comments (1)
Update:
To reproduce unsoundness issue, run this commit on this instance with the option -tr:spacer.ind_gen
. It should throw an assertion violation inside solver_pool.cpp
. It will dump many benchmarks. The trace file will contain the name of the dumped benchmarks and models for SAT queries.
The dumped benchmark pool_solver_vsolver#1_5.smt2
is an UNSAT instance. If this benchmark is run from the command line, z3 does not terminate. When this benchmark is run from within Spacer, the check-sat-cc
function is called with the assumption (or Inv_ext0_n Inv__tr0 Inv__tr1)
. This call to check-sat-cc
will return SAT with a model that falsifies the assumption clause.
from z3.
Related Issues (10)
- Did not understand some aspects of code HOT 1
- MBP reports error "could not evaluate Boolean in model"
- Segfault inside IUC solver
- seg fault while reducing proof inside iuc solver
- Spacer assertion violation: File: src/muz/spacer/spacer_context.cpp Line: 950 !lemma->is_ground() || spacer::is_clause(m, l) HOT 1
- issue with slicing HOT 3
- Unsoundness with mk_slice transform
- failed to produce IUC
- Is there a command to invoke MBP directly? HOT 1
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from z3.