Benchmark

non-incremental/UFLIA/grasshopper/uninstantiated/merge_loop_invariant_61_3.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/sls/sls_merge_sort.spl:61:3-4:An invariant might not be maintained by a loop in procedure merge
  tests/spl/sls/sls_merge_sort.spl:47:15:Related location: This is the loop invariant that might not be maintained
Benchmark
Size28702
Compressed Size3607
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 28694
Compressed Size3620
Max. Term Depth10
Asserts 107
Declared Functions14
Declared Constants82
Declared Sorts 6
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

not149 or96 and81 =116
forall44 <=24 >2

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2014 0.50 (2/4) CVC3 CVC3 default unknown ❌ 0.01338 0.00800
CVC4 CVC4 f7118b2 default unsat ✅ 41.21340 41.21270
veriT veriT-smtcomp2014 default unknown ❌ 802.49800 802.81600
Z3 Z3-4.3.2.a054b099c1d6-x64-debian-6.0.6-SMT-COMP-2014 default unsat ✅ 21.86180 21.86270
SMT-COMP 2015 0.25 (3/4) CVC3 CVC3 default unknown ❌ 0.01652 0.00800
CVC4 CVC4-master-2015-06-15-9b32405-main default unsat ✅ 26.21190 26.21600
CVC4-experimental-2015-06-15-ff5745a-main default unsat ✅ 26.24240 26.24800
veriT veriT default unsat ✅ 17.53290 17.53630
Z3 z3 4.4.0 default unsat ✅ 110.03000 110.07600
SMT-COMP 2016 CVC4 CVC4-master-2016-05-27-cfef263-main default unsat ✅ 21.06140 21.07420
Vampire vampire_smt_4.1 vampire_smtcomp unsat ✅ 0.04808 0.04823
vampire_smt_4.1_parallel vampire_smtcomp unsat ✅ 0.08466 0.07138
veriT veriT-dev default unsat ✅ 1.78268 1.78441
Z3 z3-4.4.1 default unsat ✅ 1798.66000 1799.67000
SMT-COMP 2017 CVC4 CVC4-smtcomp2017-main default unsat ✅ 20.35680 20.17910
Vampire vampire4.2-smt vampire unsat ✅ 0.05061 0.04840
veriT veriT-2017-06-17 default unsat ✅ 43.82530 43.81060
Z3 z3-4.5.0 default unsat ✅ 30.38990 30.38850
SMT-COMP 2018 0.25 (3/4) CVC4 master-2018-06-10-b19c840-competition-default_default unsat ✅ 33.73750 30.71300
Vampire vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.11029 0.10745
veriT veriT_default unsat ✅ 531.86200 531.86000
Z3 z3-4.7.1_default unknown ❌ 1200.02000 1199.92000
SMT-COMP 2019 0.25 (6/8) Alt-Ergo Alt-Ergo-SMTComp-2019-wrapped-sq_default unsat ✅ 517.00200 2050.88000
CVC4 CVC4-2019-06-03-d350fe1-wrapped-sq_default unsat ✅ 2.37909 2.37936
master-2018-06-10-b19c840-competition-default_default unsat ✅ 2.44647 2.44423
Par4 Par4-wrapped-sq_default unsat ✅ 2.56407 7.50000
SMTInterpol smtinterpol-2.5-514-wrapped-sq_default unknown ❌ 2400.08000 2408.59000
UltimateEliminator UltimateEliminator+MathSAT-5.5.4-wrapped-sq_default unknown ❌ 2.36086 3.37252
UltimateEliminator+SMTInterpol-wrapped-sq_default unknown ❌ 2.06471 3.38093
UltimateEliminator+Yices-2.6.1-wrapped-sq_default unknown ❌ 2.30271 3.45335
Vampire vampire-4.4-smtcomp-wrapped-sq_default unsat ✅ 0.15877 0.11843
veriT veriT-wrapped-sq_default unsat ✅ 78.13350 78.13540
Z3 z3-4.8.4-d6df51951f4c-wrapped-sq_default unsat ✅ 108.31000 108.30700
SMT-COMP 2021 0.25 (6/8) CVC4 CVC4-sq-final_default unsat ✅ 30.26960 30.26880
cvc5 cvc5-fixed_default unsat ✅ 30.33370 30.33050
Par4 Par4-wrapped-sq_default unsat ✅ 1.53253 4.40000
SMTInterpol smtinterpol-2.5-823-g881e8631_default unknown ❌ 1200.03000 1245.43000
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 7.32233 17.44750
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unsat ✅ 0.09107 0.08565
vampire_smt_4.5_vampire_smtcomp unsat ✅ 0.09445 0.08260
veriT veriT_default unsat ✅ 20.00350 20.00250
Z3 z3-4.8.11_default unsat ✅ 134.66200 134.66000
z3-4.8.8_default unsat ✅ 3.64060 3.64060
SMT-COMP 2022 0.33 (4/6) CVC4 CVC4-sq-final_default unsat ✅ 31.71050 31.70780
cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq unsat ✅ 32.33120 32.32840
UltimateEliminator UltimateEliminator+MathSAT-5.6.7-wrapped_default unknown ❌ 2.90161 9.65240
Vampire vampire_4.7_smt_fix-wrapped_vampire_smtcomp unsat ✅ 0.08167 0.07343
veriT veriT_default unsat ✅ 23.81050 23.81300
Z3 z3-4.8.17_default unknown ❌ 1200.03000 1199.79000
SMT-COMP 2023 0.20 (4/5) cvc5 cvc5-default-2023-05-16-ea045f305_sq unsat ✅ 30.30050 30.19930
cvc5-default-2022-07-02-b15e116-wrapped_sq unsat ✅ 30.24150 30.22070
iProver iProver-3.8-fix_iprover_SMT unsat ✅ 1.15169 3.03000
SMTInterpol smtinterpol-2.5-1272-g2d6d356c_default unsat ✅ 43.59860 53.14200
UltimateEliminator UltimateEliminator+MathSAT-5.6.9_default unknown ❌ 3.16911 4.77853
Vampire vampire_4.8_smt_pre_vampire_smtcomp unsat ✅ 0.07930 0.07437
SMT-COMP 2024 0.33 (2/3) cvc5 cvc5 unsat ✅ 4.48433 4.38462
iProver iProver v3.9 unsat ✅ 1.36114 3.88363
SMTInterpol SMTInterpol unknown ❌ 1201.72017 1259.71463
SMT-COMP 2025 0.50 (2/4) cvc5 cvc5 unsat ✅ 30.85435 30.73342
iProver iProver v3.9.3 unsat ✅ 1.40039 3.80107
SMTInterpol SMTInterpol unknown ❌ 1201.58670 1607.23708
UltimateEliminator UltimateEliminator+MathSAT unknown ❌ 1.93643 4.21889