SMT-COMP 2026

The International Satisfiability Modulo Theories (SMT) Competition.

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SMT-COMP 2026

QF_Bitvec (Unsat Core Track)

Competition results for the QF_Bitvec division in the Unsat Core Track. Chart

Results were generated on 2026-07-25

Benchmarks: 989
Time Limit: 1200 seconds
Memory Limit: 30720 GB

Logics:

Winners

Sequential PerformanceParallel PerformanceSAT Performance (parallel)UNSAT Performance (parallel)24 seconds Performance (parallel)
BitwuzlaBitwuzla-BitwuzlaBitwuzla

Sequential Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
Bitwuzla080495030695.0330816.27941941480480
z3-BooledASS ne0453858
(base -105949)		247.36255.49666692304770
cvc5032673671685.8871794.3481081017901790
SMTInterpol023232542849.8836441.8169669629302420
Yices2866336411806.6811916.2987687611301050
z3-BooledASS-base n055980757190.9557256.9349849849104880
(base +/- n): for derived solvers: increment over base solver
ne: not eligible for winning as it does not substantially improve over the base solver (at least 10 % improvement in PAR2 score) n: non-competing solver

Parallel Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
Bitwuzla080495030695.0330816.27941941480480
z3-BooledASS ne0453858
(base -105949)		247.36255.49666692304770
cvc5032673671685.8871794.3481081017901790
SMTInterpol024367244059.5337621.7269669629302420
Yices2866336411806.6811916.2987687611301050
z3-BooledASS-base n055980757190.9557256.9349849849104880
(base +/- n): for derived solvers: increment over base solver
ne: not eligible for winning as it does not substantially improve over the base solver (at least 10 % improvement in PAR2 score) n: non-competing solver

UNSAT Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
Bitwuzla080495030695.0330816.27941941480480
z3-BooledASS ne0453858
(base -105949)		247.36255.49666692304770
cvc5032673671685.8871794.3481081017901790
SMTInterpol024367244059.5337621.7269669629302420
Yices2866336411806.6811916.2987687611301050
z3-BooledASS-base n055980757190.9557256.9349849849104880
(base +/- n): for derived solvers: increment over base solver
ne: not eligible for winning as it does not substantially improve over the base solver (at least 10 % improvement in PAR2 score) n: non-competing solver

24 seconds Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
Bitwuzla06503171496.041600.93842842014700
z3-BooledASS ne0453858
(base -62400)		247.36255.49666624667700
cvc501396842429.312501.10579579041000
SMTInterpol0789404073.691675.255245242044500
Yices28649365673.82777.53836836814500
z3-BooledASS-base n05162581259.071295.97303303068600
(base +/- n): for derived solvers: increment over base solver
ne: not eligible for winning as it does not substantially improve over the base solver (at least 10 % improvement in PAR2 score) n: non-competing solver