Benchmark

non-incremental/UF/grasshopper/uninstantiated/union_postcondition_of_union_42_1.smt2 

GRASShopper benchmarks.
  Authors: Ruzica Piskac, Thomas Wies, and Damien Zufferey
  URL: http://cs.nyu.edu/wies/software/grasshopper
  See also: GRASShopper - Complete Heap Verification with Mixed Specifications. In TACAS 2014, pages 124-139.

  If this benchmark is satisfiable, GRASShopper reports the following error message:
  tests/spl/union_find.spl:42:1-2:A postcondition of procedure union might not hold at this return point
  tests/spl/union_find.spl:30:10:Related location: This is the postcondition that might not hold
Benchmark
Size23252
Compressed Size3570
License Creative Commons Attribution 4.0 International (CC-BY-4.0)
Categorycrafted
First Occurrence2014-07-21
Generated By—
Generated On—
Generator—
Dolmen OK1
strict Dolmen OK1
check-sat calls1
Query 1
Status unsat
Inferred Status unsat
Size 23244
Compressed Size3583
Max. Term Depth10
Asserts 158
Declared Functions13
Declared Constants101
Declared Sorts 4
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

not105 or69 and60 =147
forall38

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2014 0.50 (2/4) CVC3 CVC3 default unknown ❌ 2399.82000 2400.61000
CVC4 CVC4 f7118b2 default unsat ✅ 181.27800 181.26100
veriT veriT-smtcomp2014 default unknown ❌ 2398.91000 2400.02000
Z3 Z3-4.3.2.a054b099c1d6-x64-debian-6.0.6-SMT-COMP-2014 default unsat ✅ 316.91200 317.01000
SMT-COMP 2015 0.50 (2/4) CVC3 CVC3 default unknown ❌ 2400.45000 2401.26000
CVC4 CVC4-master-2015-06-15-9b32405-main default unsat ✅ 251.16300 251.16600
CVC4-experimental-2015-06-15-ff5745a-main default unsat ✅ 253.59700 253.47000
veriT veriT default unknown ❌ 2400.01000 2400.90000
Z3 z3 4.4.0 default unsat ✅ 1383.54000 1384.06000
SMT-COMP 2016 0.50 (3/6) CVC4 CVC4-master-2016-05-27-cfef263-main default unsat ✅ 852.64900 836.41900
Vampire vampire_smt_4.1 vampire_smtcomp unsat ✅ 0.07641 0.07686
vampire_smt_4.1_parallel vampire_smtcomp unsat ✅ 0.12595 0.06028
veriT veriT-dev default unsat ✅ 5.97348 5.97677
Z3 z3-4.4.1 default unknown ❌ 2400.10000 2401.46000
SMT-COMP 2017 0.33 (4/6) CVC4 CVC4-smtcomp2017-main default unsat ✅ 259.77300 259.73600
Vampire vampire4.2-smt vampire unsat ✅ 0.09047 0.08958
veriT veriT-2017-06-17 default unsat ✅ 8.53660 8.53683
Z3 z3-4.5.0 default unsat ✅ 170.92400 170.87500
SMT-COMP 2018 0.50 (3/6) CVC4 master-2018-06-10-b19c840-competition-default_default unsat ✅ 1030.56000 1028.48000
Vampire vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.06338 0.06330
veriT veriT_default unsat ✅ 8.22233 8.22253
Z3 z3-4.7.1_default unknown ❌ 1200.02000 1199.92000
SMT-COMP 2019 0.50 (4/8) Alt-Ergo Alt-Ergo-SMTComp-2019-wrapped-sq_default unknown ❌ 2400.05000 9516.77000
CVC4 CVC4-2019-06-03-d350fe1-wrapped-sq_default unsat ✅ 298.79900 298.78200
master-2018-06-10-b19c840-competition-default_default unsat ✅ 45.01290 45.01270
Par4 Par4-wrapped-sq_default unsat ✅ 7.28286 21.53000
SMTInterpol smtinterpol-2.5-514-wrapped-sq_default unknown ❌ 2400.09000 2426.69000
UltimateEliminator UltimateEliminator+MathSAT-5.5.4-wrapped-sq_default unknown ❌ 2.38692 3.40698
UltimateEliminator+SMTInterpol-wrapped-sq_default unknown ❌ 2.20224 3.32705
UltimateEliminator+Yices-2.6.1-wrapped-sq_default unknown ❌ 2.32728 3.43295
Vampire vampire-4.4-smtcomp-wrapped-sq_default unsat ✅ 0.24456 0.24447
vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.06584 0.06571
veriT veriT-wrapped-sq_default unsat ✅ 7.23360 7.23393
Z3 z3-4.8.4-d6df51951f4c-wrapped-sq_default unknown ❌ 2400.02000 2399.75000
SMT-COMP 2021 0.29 (5/7) CVC4 CVC4-sq-final_default unsat ✅ 21.49770 21.49720
iProver iProver-v3.5-final-fix2_iProver_SMT unsat ✅ 0.77358 1.61000
SMTInterpol smtinterpol-2.5-823-g881e8631_default unknown ❌ 1200.10000 1242.91000
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 2.83695 4.72851
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unsat ✅ 0.13731 0.08206
vampire_smt_4.5_vampire_smtcomp unsat ✅ 0.10230 0.10061
veriT veriT_default unsat ✅ 16.93690 16.93810
Z3 z3-4.8.11_default unsat ✅ 12.37330 12.37320
SMT-COMP 2022 0.14 (6/7) CVC4 CVC4-sq-final_default unsat ✅ 35.87100 35.87130
cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq unsat ✅ 25.29050 25.28800
UltimateEliminator UltimateEliminator+MathSAT-5.6.7-wrapped_default unknown ❌ 2.94497 5.63832
Vampire vampire_4.7_smt_fix-wrapped_vampire_smtcomp unsat ✅ 0.07547 0.07489
veriT veriT_default unsat ✅ 20.50470 20.50440
Yices2 Yices 2.6.2 for SMTCOMP 2021_default unsat ✅ 373.83700 373.78900
Z3 z3-4.8.17_default unsat ✅ 117.28900 117.13000
SMT-COMP 2023 0.33 (4/6) cvc5 cvc5-default-2023-05-16-ea045f305_sq unsat ✅ 258.92100 258.24800
cvc5-default-2022-07-02-b15e116-wrapped_sq unsat ✅ 508.48200 507.26900
iProver iProver-3.8-fix_iprover_SMT unsat ✅ 0.65276 1.40000
SMTInterpol smtinterpol-2.5-1272-g2d6d356c_default unknown ❌ 1200.04000 1247.61000
UltimateEliminator UltimateEliminator+MathSAT-5.6.9_default unknown ❌ 2.85843 4.76738
Vampire vampire_4.8_smt_pre_vampire_smtcomp unsat ✅ 0.13287 0.08288
Yices2 Yices 2 for SMTCOMP 2023_default unsat ✅ 371.56300 371.51500
SMT-COMP 2025 0.40 (3/5) cvc5 cvc5 unsat ✅ 481.19333 480.98899
iProver iProver v3.9.3 unsat ✅ 0.88315 1.96958
SMTInterpol SMTInterpol unknown ❌ 1201.38245 1286.25720
UltimateEliminator UltimateEliminator+MathSAT unknown ❌ 2.02819 4.46339
Yices2 Yices2 unsat ✅ 6.06866 5.94796