./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c99a7d37e4951c8ef9fe39502528fd8fe86fdb39a219c9a8916753f22b09b28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:20:36,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:20:36,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:20:36,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:20:36,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:20:36,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:20:36,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:20:36,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:20:36,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:20:36,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:20:36,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:20:36,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:20:36,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:20:36,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:20:36,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:20:36,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:20:36,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:20:36,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:20:36,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:20:36,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:20:36,129 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:20:36,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:20:36,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:20:36,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:20:36,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:20:36,129 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:20:36,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:20:36,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:36,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:20:36,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:20:36,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:20:36,130 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:20:36,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:20:36,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c99a7d37e4951c8ef9fe39502528fd8fe86fdb39a219c9a8916753f22b09b28 [2024-11-13 22:20:36,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:20:36,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:20:36,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:20:36,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:20:36,441 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:20:36,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i Unable to find full path for "g++" [2024-11-13 22:20:38,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:20:38,637 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:20:38,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i [2024-11-13 22:20:38,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/data/6eae5c9bf/dad8459fb0d44c048c4d2de8b3227fb6/FLAG570e801f1 [2024-11-13 22:20:38,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/data/6eae5c9bf/dad8459fb0d44c048c4d2de8b3227fb6 [2024-11-13 22:20:38,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:20:38,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:20:38,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:38,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:20:38,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:20:38,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:38,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c12f115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38, skipping insertion in model container [2024-11-13 22:20:38,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:38,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:20:38,872 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[1226,1239] [2024-11-13 22:20:38,899 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[2841,2854] [2024-11-13 22:20:38,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:38,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:20:38,922 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[1226,1239] [2024-11-13 22:20:38,933 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[2841,2854] [2024-11-13 22:20:38,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:38,950 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:20:38,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38 WrapperNode [2024-11-13 22:20:38,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:38,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:38,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:20:38,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:20:38,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:38,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:38,994 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-13 22:20:38,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:38,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:20:38,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:20:38,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:20:39,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:39,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:39,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:39,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:39,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:39,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:39,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:39,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:39,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:20:39,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:20:39,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:20:39,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:20:39,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:38" (1/1) ... [2024-11-13 22:20:39,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:39,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:20:39,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:20:39,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:20:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:20:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 22:20:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 22:20:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 22:20:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 22:20:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:20:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:20:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:20:39,185 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:20:39,187 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:20:39,394 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 22:20:39,394 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:20:39,503 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:20:39,507 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:20:39,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:39 BoogieIcfgContainer [2024-11-13 22:20:39,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:20:39,512 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:20:39,512 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:20:39,524 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:20:39,525 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:39" (1/1) ... [2024-11-13 22:20:39,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:20:39,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 22:20:39,601 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 22:20:39,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:20:39,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:39,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:40,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 22:20:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 22:20:40,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:20:40,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:40,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:40,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:20:40,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:11,351 WARN L851 $PredicateComparison]: unable to prove that (not (or (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (let ((.cse1 (+ .cse0 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_25| 1) 0))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_25|) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))))) (and (<= .cse0 127) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)))) is different from false [2024-11-13 22:23:11,399 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main1_~x~0#1| 1))) (and (not (or (and (<= .cse0 0) (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse1) (let ((.cse2 (+ .cse1 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse2 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_25| 1) 0))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_25|) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse2 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))))) (and (<= .cse1 127) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)))) (not (or (< |c_ULTIMATE.start_main1_~x~0#1| 0) (< |c_ULTIMATE.start_main1_~g~0#1| .cse0))))) is different from false [2024-11-13 22:23:36,783 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 (+ |c_ULTIMATE.start_main1_~x~0#1| 1))) (and (not (or (and (<= .cse0 0) (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse1) (let ((.cse2 (+ .cse1 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse2 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_25| 1) 0))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_25|) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse2 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))))) (and (<= .cse1 127) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)))) (not (or (< |c_ULTIMATE.start_main1_~x~0#1| 0) (< |c_ULTIMATE.start_main1_~g~0#1| .cse0)))))) is different from true [2024-11-13 22:23:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2024-11-13 22:23:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2024-11-13 22:23:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:23:37,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:37,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:23:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:37,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:23:37,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:44,606 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (let ((.cse2 (<= .cse1 127)) (.cse3 (<= 128 .cse1)) (.cse5 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse7 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse4 (+ .cse1 (- 256))) (.cse0 (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0)) (.cse9 (<= 0 |c_ULTIMATE.start_main1_~x~0#1|))) (or (and .cse0 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~b#1_30|)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_30|))) .cse2) (and .cse3 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (= (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|) 0) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_30|))) .cse5) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse6 (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (not (= .cse6 0)) (= (mod (+ .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256) .cse7) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~b#1_30|)) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_30|)))))))) (and (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_30| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_30|)))) (and .cse3 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_30| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (= (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|) 0) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_30|))) .cse5) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse8 (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (not (= .cse8 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_30| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (= .cse7 (mod (+ .cse8 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_30|))))))) .cse0) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_30| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_30|))) .cse9) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~b#1_30|)) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_30|))) .cse9)))) is different from true [2024-11-13 22:24:28,821 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-13 22:24:28,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-11-13 22:24:28,824 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:24:28,829 INFO L158 Benchmark]: Toolchain (without parser) took 230144.11ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 92.7MB in the beginning and 134.6MB in the end (delta: -41.9MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-13 22:24:28,830 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:24:28,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.82ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:24:28,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.70ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:24:28,831 INFO L158 Benchmark]: Boogie Preprocessor took 37.85ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.2MB in the end (delta: 926.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:24:28,832 INFO L158 Benchmark]: RCFGBuilder took 477.66ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 61.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:24:28,832 INFO L158 Benchmark]: CodeCheck took 229316.42ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 61.7MB in the beginning and 134.6MB in the end (delta: -72.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:24:28,835 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.82ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.70ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.85ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.2MB in the end (delta: 926.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 477.66ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 61.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 229316.42ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 61.7MB in the beginning and 134.6MB in the end (delta: -72.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c99a7d37e4951c8ef9fe39502528fd8fe86fdb39a219c9a8916753f22b09b28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:24:31,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:24:31,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:24:31,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:24:31,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:24:31,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:24:31,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:24:31,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:24:31,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:24:31,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:24:31,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:24:31,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:24:31,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:24:31,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:24:31,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:24:31,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:24:31,659 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:24:31,660 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:24:31,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:24:31,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:24:31,661 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:24:31,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:24:31,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:24:31,661 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:24:31,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:24:31,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:24:31,662 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:31,662 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:24:31,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:24:31,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:31,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:24:31,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:24:31,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:24:31,662 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:24:31,662 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:31,662 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:24:31,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c99a7d37e4951c8ef9fe39502528fd8fe86fdb39a219c9a8916753f22b09b28 [2024-11-13 22:24:32,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:24:32,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:24:32,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:24:32,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:24:32,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:24:32,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i Unable to find full path for "g++" [2024-11-13 22:24:34,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:24:34,390 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:24:34,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i [2024-11-13 22:24:34,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/data/382a1d465/dbece61755db41218b509fb000f77973/FLAG5735ca4c2 [2024-11-13 22:24:34,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/data/382a1d465/dbece61755db41218b509fb000f77973 [2024-11-13 22:24:34,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:24:34,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:24:34,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:34,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:24:34,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:24:34,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:34" (1/1) ... [2024-11-13 22:24:34,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7744474d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:34, skipping insertion in model container [2024-11-13 22:24:34,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:34" (1/1) ... [2024-11-13 22:24:34,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:24:34,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[1226,1239] [2024-11-13 22:24:34,981 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[2841,2854] [2024-11-13 22:24:34,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:35,008 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:24:35,026 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[1226,1239] [2024-11-13 22:24:35,051 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[2841,2854] [2024-11-13 22:24:35,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:35,079 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:24:35,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35 WrapperNode [2024-11-13 22:24:35,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:35,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:35,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:24:35,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:24:35,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,127 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-13 22:24:35,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:35,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:24:35,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:24:35,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:24:35,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:24:35,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:24:35,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:24:35,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:24:35,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:35" (1/1) ... [2024-11-13 22:24:35,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:35,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:24:35,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:24:35,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:24:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:24:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:24:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 22:24:35,226 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 22:24:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 22:24:35,226 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 22:24:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:24:35,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:24:35,295 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:24:35,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:24:59,750 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 22:24:59,750 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:24:59,885 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:24:59,886 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:24:59,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:59 BoogieIcfgContainer [2024-11-13 22:24:59,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:24:59,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:24:59,889 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:24:59,903 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:24:59,903 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:59" (1/1) ... [2024-11-13 22:24:59,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:24:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 22:24:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 22:24:59,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:24:59,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:59,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:59,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:59,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:59,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:25:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:00,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:00,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:25:00,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:01,057 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:25:01,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:25:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-13 22:25:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 22:25:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:25:01,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:01,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:01,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:01,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:01,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:25:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:02,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:02,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:25:02,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:08,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:25:24,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:25:33,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:25:36,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:25:37,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:37,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 22:25:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 22:25:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:25:37,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:37,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:37,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:37,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:37,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:25:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:37,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:37,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:25:37,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:26:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:03,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:26:33,727 WARN L286 SmtUtils]: Spent 12.46s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:26:49,114 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:27:03,952 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:27:17,386 WARN L286 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:27:27,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:27:37,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:27:48,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:27:49,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:27:52,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:28:03,924 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4))))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse4 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse5)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse5)) |c_ULTIMATE.start_main1_~g~0#1|)))))))))) is different from false [2024-11-13 22:29:09,294 WARN L286 SmtUtils]: Spent 26.98s on a formula simplification. DAG size of input: 38 DAG size of output: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:29:19,381 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4))))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse4 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse5)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse5)) |c_ULTIMATE.start_main1_~g~0#1|))))))))))) is different from true [2024-11-13 22:29:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:19,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2024-11-13 22:29:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2024-11-13 22:29:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:29:19,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:19,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:19,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:19,582 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:19,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:29:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:20,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:20,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:29:20,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:29,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:29,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2024-11-13 22:29:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2024-11-13 22:29:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:29:29,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:29,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:29,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:29,522 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:29,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:29:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:30,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:31,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:29:31,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:38,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:38,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2024-11-13 22:29:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2024-11-13 22:29:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:29:38,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:38,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:38,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:38,379 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:38,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:29:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:38,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:39,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:29:39,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:48,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:48,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2024-11-13 22:29:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2024-11-13 22:29:48,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:29:48,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:48,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:48,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:48,251 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:48,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:29:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:48,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:49,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:29:49,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:30:25,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:30:43,390 WARN L286 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 72 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:31:17,148 WARN L286 SmtUtils]: Spent 13.72s on a formula simplification. DAG size of input: 73 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:31:41,811 WARN L286 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:31:43,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:31:53,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:04,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:05,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:07,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:18,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2024-11-13 22:32:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2024-11-13 22:32:18,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:32:18,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:18,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:18,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:18,721 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:18,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:32:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:19,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:19,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:32:19,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:32:29,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:32:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:29,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 34 states and 67 transitions. [2024-11-13 22:32:29,309 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 67 transitions. [2024-11-13 22:32:29,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:32:29,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:29,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:29,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:29,312 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:29,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:32:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:29,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:30,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:32:30,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:13,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:33:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2024-11-13 22:33:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2024-11-13 22:33:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:33:13,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:13,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:13,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:13,468 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:13,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:33:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:13,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:14,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:33:14,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:34:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:01,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:34:23,506 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (let ((.cse2 (not .cse5)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse6)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse6)) |c_ULTIMATE.start_main1_~g~0#1|)))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_49| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_49|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse4 .cse7))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1))) (_ bv0 32)))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_49| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_49|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse8)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1))) (_ bv0 32))))))) (not (= (_ bv0 32) .cse1)))))) is different from false [2024-11-13 22:35:11,592 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (let ((.cse2 (not .cse5)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse6)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse6)) |c_ULTIMATE.start_main1_~g~0#1|)))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_49| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_49|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse4 .cse7))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1))) (_ bv0 32)))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_49| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_49|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse8)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1))) (_ bv0 32))))))) (not (= (_ bv0 32) .cse1))))))) is different from true [2024-11-13 22:35:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2024-11-13 22:35:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2024-11-13 22:35:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:35:11,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:11,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:35:11,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:35:11,598 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:35:11,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:35:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:11,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:35:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:12,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:35:12,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:35:20,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:35:20,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2024-11-13 22:35:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2024-11-13 22:35:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:35:20,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:20,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:35:20,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:35:20,877 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:35:20,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:35:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:21,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:35:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:22,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:35:22,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:35:29,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:35:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2024-11-13 22:35:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2024-11-13 22:35:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:35:29,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:29,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:35:29,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:35:29,567 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:35:29,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:35:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:30,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:35:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:31,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:35:31,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:35:39,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 22:35:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 77 transitions. [2024-11-13 22:35:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 77 transitions. [2024-11-13 22:35:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:35:39,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:39,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:35:39,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:35:39,895 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:35:39,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:35:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:40,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:35:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:40,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:35:40,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:35:47,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 22:35:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 77 transitions. [2024-11-13 22:35:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 77 transitions. [2024-11-13 22:35:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:35:47,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:47,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:35:47,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:35:47,957 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:35:47,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892d3fdb-51d2-4600-a067-d4068320e528/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:35:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:48,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:35:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:49,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:35:49,955 INFO L278 TraceCheckSpWp]: Computing forward predicates...