SMT-COMP 2026

The International Satisfiability Modulo Theories (SMT) Competition.

GitHub

SMT-COMP 2026

UFNIRA (Unsat Core Track)

Competition results for the UFNIRA logic in the Unsat Core Track. Chart

Results were generated on 2026-07-25

Benchmarks: 186
Time Limit: 1200 seconds
Memory Limit: 30720 GB

Winners

Sequential PerformanceParallel PerformanceSAT Performance (parallel)UNSAT Performance (parallel)24 seconds Performance (parallel)
cvc5cvc5-cvc5cvc5

Sequential Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
z3-BooledASS ne01
(base +0)
13.5723.1177771090850
cvc501637.91647.8580801060450
UltimateEliminator+MathSAT000.000.0000186060
SMTInterpol0011.439.5918181680680
z3-BooledASS-base n0113.5623.1077771090730
(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
z3-BooledASS ne01
(base +0)
13.5723.1177771090850
cvc501637.91647.8580801060450
UltimateEliminator+MathSAT000.000.0000186060
SMTInterpol0011.439.5918181680680
z3-BooledASS-base n0113.5623.1077771090730
(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
z3-BooledASS ne01
(base +0)
13.5723.1177771090850
cvc501637.91647.8580801060450
UltimateEliminator+MathSAT000.000.0000186060
SMTInterpol0011.439.5918181680680
z3-BooledASS-base n0113.5623.1077771090730
(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
z3-BooledASS ne01
(base +0)
13.5723.117777199000
cvc50165.8875.517878614700
UltimateEliminator+MathSAT000.000.0000180600
SMTInterpol0011.439.5918181006800
z3-BooledASS-base n0113.5623.107777199000
(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