SMT-COMP 2026

The International Satisfiability Modulo Theories (SMT) Competition.

GitHub

SMT-COMP 2026

QF_UFNIA (Single Query Track)

Competition results for the QF_UFNIA logic in the Single Query Track. Chart

Results were generated on 2026-07-25

Benchmarks: 339
Time Limit: 1200 seconds
Memory Limit: 30720 GB

Winners

Sequential PerformanceParallel PerformanceSAT Performance (parallel)UNSAT Performance (parallel)24 seconds Performance (parallel)
Yices2Yices2Yices2Z3-alpha2Yices2

Sequential Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved SATSolved UNSATUnsolvedAbstainedTimeoutMemout
Yices202866719.496755.7628623551530530
Z3-alpha2 ne0272
(base +7)
9716.559591.6127220270670670
Z3-alpha2-debug n027210280.639897.0427220270670670
z3-BooledASS ne0265
(base +3)
5567.115599.9926519768740740
cvc502253315.203343.302251665911401140
cvc5-cvc5-xyz ne0225
(base +0)
4436.254464.172251665911401140
Xolver0150257.72276.451501282218901850
SMTInterpol011913413.0612180.7411986332200440
Z3-alpha2-base n02656187.286220.6926519966740740
z3-BooledASS-base n02625691.475724.7526219468770770
cvc5-cvc5-xyz-base n02254375.034403.332251665911401140
(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 SATSolved UNSATUnsolvedAbstainedTimeoutMemout
Yices202866719.496755.7628623551530530
Z3-alpha2 ne0272
(base +7)
9716.559591.6127220270670670
Z3-alpha2-debug n027210280.639897.0427220270670670
z3-BooledASS ne0265
(base +3)
5567.115599.9926519768740740
cvc502253315.203343.302251665911401140
cvc5-cvc5-xyz ne0225
(base +0)
4436.254464.172251665911401140
Xolver0150257.72276.451501282218901850
SMTInterpol011913413.0612180.7411986332200440
Z3-alpha2-base n02656187.286220.6926519966740740
z3-BooledASS-base n02625691.475724.7526219468770770
cvc5-cvc5-xyz-base n02254375.034403.332251665911401140
(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

SAT Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved SATSolved UNSATUnsolvedAbstainedTimeoutMemout
Yices202356288.896318.80235235069860
Z3-alpha2 ne0202
(base +3)
6694.286601.3520220203998390
Z3-alpha2-debug n02027114.876830.0820220203998390
z3-BooledASS ne0197
(base +3)
4180.794205.3019719704498440
cvc501662976.362997.1016616607598750
cvc5-cvc5-xyz ne0166
(base +0)
3998.404019.0816616607598750
Xolver0128177.09193.071281280113981090
SMTInterpol08611131.2810137.568686015598230
Z3-alpha2-base n01994687.384712.4319919904298420
z3-BooledASS-base n01943960.823985.5719419404798470
cvc5-cvc5-xyz-base n01663940.513961.4016616607598750
(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 SATSolved UNSATUnsolvedAbstainedTimeoutMemout
Z3-alpha2070
(base +4)
3022.272990.2670070526450
Z3-alpha2-debug n0703165.763066.9670070526450
z3-BooledASS ne068
(base +0)
1386.321394.6968068726470
cvc5059338.85346.205905916264160
cvc5-cvc5-xyz ne059
(base +0)
437.84445.095905916264160
Yices2051430.61436.965105124264240
SMTInterpol0332281.772043.17330334226460
Xolver02280.6283.382202253264530
z3-BooledASS-base n0681730.661739.1868068726470
Z3-alpha2-base n0661499.901508.2666066926490
cvc5-cvc5-xyz-base n059434.52441.935905916264160
(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 SATSolved UNSATUnsolvedAbstainedTimeoutMemout
Yices20249355.90386.812492004909000
Z3-alpha2 ne0243
(base +1)
1186.001074.602431816209600
Z3-alpha2-debug n02431703.761361.012431816209600
z3-BooledASS ne0242
(base +2)
415.37445.022421806209700
cvc50205204.47229.7820515055013400
cvc5-cvc5-xyz0201
(base -1)
153.17177.7620114754013800
Xolver0150257.72276.4515012822418500
SMTInterpol076258.83127.8276492715910400
Z3-alpha2-base n0242417.06447.072421816109700
z3-BooledASS-base n0240391.56421.642401786209900
cvc5-cvc5-xyz-base n0202177.49202.4520214854013700
(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