./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b --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 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:02:54,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:02:54,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:02:54,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:02:54,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:02:54,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:02:54,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:02:54,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:02:54,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:02:54,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:02:54,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:02:54,311 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:02:54,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:02:54,312 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:02:54,312 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:02:54,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:02:54,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:02:54,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:02:54,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:02:54,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:02:54,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:02:54,312 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:02:54,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:02:54,313 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b 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 -> 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f [2024-12-06 05:02:54,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:02:54,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:02:54,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:02:54,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:02:54,568 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:02:54,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i [2024-12-06 05:02:57,280 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data/09520b7ea/cfc1468821b149529623d9c288282751/FLAG639104f95 [2024-12-06 05:02:57,490 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:02:57,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i [2024-12-06 05:02:57,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data/09520b7ea/cfc1468821b149529623d9c288282751/FLAG639104f95 [2024-12-06 05:02:57,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data/09520b7ea/cfc1468821b149529623d9c288282751 [2024-12-06 05:02:57,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:02:57,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:02:57,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:02:57,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:02:57,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:02:57,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:02:57" (1/1) ... [2024-12-06 05:02:57,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36dbfdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:57, skipping insertion in model container [2024-12-06 05:02:57,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:02:57" (1/1) ... [2024-12-06 05:02:57,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:02:57,970 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[1226,1239] [2024-12-06 05:02:57,995 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[2862,2875] [2024-12-06 05:02:57,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:02:58,004 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:02:58,014 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[1226,1239] [2024-12-06 05:02:58,023 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[2862,2875] [2024-12-06 05:02:58,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:02:58,035 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:02:58,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58 WrapperNode [2024-12-06 05:02:58,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:02:58,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:02:58,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:02:58,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:02:58,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,062 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-06 05:02:58,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:02:58,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:02:58,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:02:58,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:02:58,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:02:58,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:02:58,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:02:58,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:02:58,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:02:58,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:02:58,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:02:58,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:02:58,183 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:02:58,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:02:58,333 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 05:02:58,333 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:02:58,385 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:02:58,385 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:02:58,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:02:58 BoogieIcfgContainer [2024-12-06 05:02:58,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:02:58,386 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:02:58,386 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:02:58,396 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:02:58,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:02:58" (1/1) ... [2024-12-06 05:02:58,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:02:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:58,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 05:02:58,458 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 05:02:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:02:58,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:58,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:02:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-12-06 05:02:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-12-06 05:02:58,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:02:58,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:58,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:02:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:58,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 05:02:58,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:05:44,805 WARN L851 $PredicateComparison]: unable to prove that (not (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) 256)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127))) (<= .cse0 127)) (and (<= 128 .cse0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (+ .cse0 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_29|)))))))))) is different from false [2024-12-06 05:05:55,785 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main1_~x~0#1| 1))) (and (not (or (< |c_ULTIMATE.start_main1_~x~0#1| 0) (< |c_ULTIMATE.start_main1_~g~0#1| .cse0))) (not (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) 256)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= .cse0 0) (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (= (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_29|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127))) (<= .cse1 127)) (and (<= 128 .cse1) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (+ .cse1 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_29|)))))))))))) is different from false [2024-12-06 05:07:11,517 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 05:07:11,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 05:07:11,518 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:947) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.isSatEdge(UltimateChecker.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.connectOutgoingIfSat(UltimateChecker.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 29 more [2024-12-06 05:07:11,522 INFO L158 Benchmark]: Toolchain (without parser) took 253673.40ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 95.2MB in the end (delta: 22.0MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-12-06 05:07:11,522 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:07:11,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.61ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:07:11,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.23ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:07:11,524 INFO L158 Benchmark]: Boogie Preprocessor took 18.16ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.6MB in the end (delta: 962.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:07:11,524 INFO L158 Benchmark]: RCFGBuilder took 304.70ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 84.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:07:11,524 INFO L158 Benchmark]: CodeCheck took 253134.97ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 95.2MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:07:11,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.61ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.23ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.16ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.6MB in the end (delta: 962.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.70ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 84.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 253134.97ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 95.2MB in the end (delta: -10.5MB). 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b --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 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:07:13,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:07:13,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:07:13,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:07:13,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:07:13,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:07:13,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:07:13,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:07:13,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:07:13,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:07:13,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:07:13,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:07:13,431 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:07:13,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:07:13,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:07:13,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:07:13,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:07:13,432 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:13,432 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:07:13,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:07:13,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:07:13,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:07:13,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:07:13,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:07:13,433 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:07:13,433 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:13,433 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:07:13,433 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b 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 -> 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f [2024-12-06 05:07:13,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:07:13,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:07:13,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:07:13,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:07:13,712 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:07:13,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i [2024-12-06 05:07:16,461 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data/b9d4df44f/da8e8c5ce1514978809dc4b63410b989/FLAG5386f7ba6 [2024-12-06 05:07:16,641 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:07:16,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i [2024-12-06 05:07:16,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data/b9d4df44f/da8e8c5ce1514978809dc4b63410b989/FLAG5386f7ba6 [2024-12-06 05:07:16,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/data/b9d4df44f/da8e8c5ce1514978809dc4b63410b989 [2024-12-06 05:07:16,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:07:16,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:07:16,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:07:16,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:07:16,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:07:16,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:16,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465f077d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16, skipping insertion in model container [2024-12-06 05:07:16,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:16,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:07:16,843 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[1226,1239] [2024-12-06 05:07:16,871 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[2862,2875] [2024-12-06 05:07:16,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:07:16,886 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:07:16,898 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[1226,1239] [2024-12-06 05:07:16,912 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_cafdc8d2-6d6b-458d-8454-bdd897d45d48/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[2862,2875] [2024-12-06 05:07:16,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:07:16,930 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:07:16,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16 WrapperNode [2024-12-06 05:07:16,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:07:16,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:07:16,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:07:16,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:07:16,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:16,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:16,973 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 05:07:16,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:07:16,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:07:16,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:07:16,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:07:16,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:16,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:16,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:16,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:16,996 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:16,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:17,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:17,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:17,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:17,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:07:17,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:07:17,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:07:17,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:07:17,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:16" (1/1) ... [2024-12-06 05:07:17,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:07:17,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:07:17,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:07:17,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:07:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:07:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:07:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:07:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:07:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:07:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:07:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:07:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:07:17,139 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:07:17,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:07:43,120 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 05:07:43,121 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:07:43,180 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:07:43,181 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:07:43,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:07:43 BoogieIcfgContainer [2024-12-06 05:07:43,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:07:43,182 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:07:43,182 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:07:43,190 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:07:43,191 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:07:43" (1/1) ... [2024-12-06 05:07:43,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:07:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:43,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 05:07:43,236 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 05:07:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:07:43,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:43,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:43,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:43,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:43,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:07:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:43,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:07:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:43,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:07:43,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:07:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:07:44,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:07:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-06 05:07:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-06 05:07:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:07:44,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:44,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:44,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:44,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:44,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:07:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:44,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:07:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:44,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:07:44,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:07:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:07:49,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:08:06,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:08:13,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:08:16,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:08:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:17,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:17,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:17,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:17,213 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:17,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:08:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:17,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:17,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:17,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:23,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:08:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:23,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:23,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:23,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:23,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:23,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:08:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:23,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:23,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:23,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:29,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:08:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:29,474 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:29,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:29,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:29,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:29,477 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:29,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:08:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:29,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:29,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:29,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:35,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:35,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:08:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:35,353 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:35,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:35,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:35,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:35,356 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:35,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:08:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:35,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:35,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:35,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:37,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:08:37,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:37,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:37,151 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:37,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:37,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:37,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:37,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:37,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:08:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:37,316 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:37,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:37,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:42,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 05:08:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:42,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:42,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:42,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:42,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:42,761 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:42,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:08:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:42,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:42,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:42,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:48,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 05:08:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:48,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:48,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:48,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:48,195 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:48,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:08:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:48,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:48,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:48,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:49,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:08:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:49,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:49,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:49,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:49,897 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:49,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:08:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:50,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:50,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:50,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:51,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:08:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:51,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:51,885 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:51,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:51,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:51,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:51,888 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:51,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:08:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:52,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:52,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:52,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:57,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:08:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:57,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:57,663 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:57,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:57,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:57,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:57,666 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:57,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:08:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:57,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:57,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:57,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:08:59,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:08:59,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:08:59,480 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:08:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:59,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:59,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:08:59,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:08:59,482 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:08:59,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:08:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:59,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:59,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:08:59,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:05,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:09:05,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:05,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:05,691 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:05,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:05,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:05,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:05,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:05,693 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:05,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:09:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:05,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:05,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:09:05,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:14,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:09:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:22,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:22,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:22,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:22,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:22,838 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:22,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:09:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:23,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:23,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:23,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:24,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:09:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:24,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:24,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:24,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:24,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:24,767 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:24,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:09:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:24,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:25,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:25,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:26,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 05:09:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:26,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:26,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:26,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:26,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:26,606 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:26,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:09:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:26,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:26,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:26,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:32,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 05:09:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:32,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:32,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:32,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:32,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:32,315 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:32,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:09:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:32,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:32,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:32,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:34,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 05:09:34,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:34,212 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:34,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:34,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:34,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:34,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:34,214 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:34,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:09:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:34,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:34,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:34,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:35,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 05:09:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:35,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:35,916 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:35,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:35,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:35,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:35,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:35,919 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:35,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 05:09:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:36,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:36,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:36,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:40,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 05:09:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:40,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:40,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:40,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:40,023 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:40,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 05:09:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:40,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:40,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:40,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:42,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 05:09:42,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:42,063 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:42,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:42,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:42,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:42,065 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:42,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 05:09:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:42,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:42,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:42,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:44,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 05:09:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:44,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:44,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:44,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:44,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:44,149 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:44,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 05:09:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:44,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:44,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:44,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:45,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 05:09:45,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:45,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:45,844 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:45,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:45,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:45,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:45,847 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:45,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 05:09:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:46,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:46,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:46,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:51,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:51,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 05:09:51,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:51,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:51,713 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:51,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:51,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:51,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:51,715 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:51,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 05:09:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:51,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:51,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:51,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:09:57,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 05:09:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:09:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:09:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:09:57,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:57,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:57,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:57,707 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:57,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 05:09:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:57,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:57,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:09:57,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:01,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 05:10:01,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:01,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:01,592 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:01,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:01,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:01,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:01,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:01,594 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:01,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 05:10:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:01,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:01,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:01,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:07,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 05:10:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:07,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:07,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:07,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:07,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:07,639 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:07,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 05:10:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:07,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:07,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:07,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:09,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 05:10:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:09,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:09,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:09,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:09,503 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:09,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 05:10:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:09,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:09,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:09,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:11,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 05:10:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:11,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:11,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:11,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:11,354 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:11,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 05:10:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:11,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:11,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:11,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:13,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 05:10:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:13,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:13,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:13,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:13,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:13,091 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:13,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 05:10:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:13,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:13,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:13,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:19,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:19,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 05:10:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:19,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:19,276 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:19,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:19,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:19,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:19,278 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:19,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 05:10:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:19,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:19,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:19,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:21,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 05:10:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:21,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:21,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:21,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:21,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:21,180 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:21,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 05:10:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:21,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:21,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:21,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:22,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 05:10:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:22,935 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:22,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:22,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:22,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:22,937 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:22,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 05:10:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:23,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:23,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:23,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:28,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 05:10:28,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:28,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:28,948 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:28,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:28,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:28,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:28,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:28,950 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:28,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 05:10:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:29,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:29,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:29,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:34,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:34,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 05:10:34,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:34,785 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:34,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:34,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:34,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:34,787 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:34,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 05:10:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:34,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:35,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:35,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:36,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 05:10:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:36,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:36,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:36,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:36,364 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:36,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 05:10:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:36,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:36,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:36,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:42,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 05:10:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:42,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:42,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:42,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:42,682 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:42,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 05:10:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:42,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:42,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:42,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:48,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:48,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 05:10:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:48,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:48,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:48,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:48,924 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:48,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 05:10:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:49,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:49,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:49,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:10:54,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 05:10:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:10:54,640 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:10:54,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:10:54,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:54,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:54,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:54,643 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:54,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 05:10:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:54,828 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:54,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:10:54,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:00,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 05:11:00,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:00,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:00,240 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:00,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:00,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:00,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:00,242 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:00,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 05:11:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:00,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:00,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:00,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:01,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 05:11:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:01,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:01,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:01,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:01,816 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:01,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 05:11:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:01,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:02,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:02,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:04,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 05:11:04,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:04,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:04,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:04,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:04,128 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:04,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 05:11:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:04,305 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:04,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:04,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:06,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:06,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 05:11:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:06,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:06,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:06,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:06,192 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:06,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 05:11:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:06,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:06,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:06,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:08,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 05:11:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:08,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:08,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:08,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:08,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:08,218 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:08,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 05:11:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:08,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:08,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:08,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:14,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 05:11:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:14,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:14,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:14,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:14,056 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:14,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 05:11:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:14,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:14,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:14,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:19,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-12-06 05:11:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:19,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:19,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:19,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:19,886 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:19,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 05:11:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:20,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:20,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:20,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:22,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 05:11:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:22,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:22,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:22,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:22,010 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:22,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 05:11:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:22,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:22,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:22,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:24,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 05:11:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:24,036 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:24,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:24,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:24,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:24,038 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:24,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 05:11:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:24,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:24,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:24,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:30,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 05:11:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:30,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:30,253 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:30,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:30,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:30,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:30,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:30,255 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:30,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 05:11:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:30,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:30,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:11:30,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:37,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 05:11:39,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:39,259 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:39,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:39,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:39,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:39,262 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:39,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 05:11:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:39,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:39,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:39,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:44,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 05:11:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:44,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:44,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:44,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:44,871 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:44,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 05:11:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:45,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:45,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:45,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:51,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 05:11:51,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:51,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:51,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:51,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:51,696 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:51,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 05:11:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:51,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:51,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:51,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:57,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 05:11:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:57,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:57,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:57,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:57,614 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:57,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 05:11:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:57,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:57,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:57,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:59,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 05:11:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:11:59,392 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:11:59,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:59,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:59,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:59,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:59,394 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:59,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 05:11:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:59,579 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:59,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:59,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:05,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 05:12:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:05,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:05,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:05,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:05,517 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:05,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 05:12:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:05,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:05,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:05,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:11,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 05:12:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:11,410 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:11,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:11,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:11,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:11,413 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:11,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 05:12:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:11,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:11,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:11,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:13,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 05:12:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:13,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:13,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:13,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:13,206 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:13,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 05:12:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:13,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:13,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:13,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:14,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 05:12:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:14,844 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:14,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:14,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:14,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:14,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:14,846 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:14,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 05:12:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:15,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:15,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:15,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:20,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 05:12:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:20,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:20,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:20,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:20,891 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:20,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 05:12:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:21,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:21,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:21,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:26,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 05:12:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:26,835 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:26,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:26,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:26,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:26,837 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:26,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 05:12:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:27,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:27,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:27,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:28,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:28,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 05:12:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:28,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:28,564 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:28,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:28,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:28,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:28,567 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:28,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 05:12:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:28,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:28,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:28,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:34,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 05:12:34,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:34,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:34,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:34,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:34,742 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:34,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 05:12:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:34,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:34,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:34,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:36,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 05:12:36,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:36,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:36,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:36,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:36,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:36,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:36,458 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:36,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 05:12:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:36,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:36,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:36,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:42,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 05:12:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:42,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:42,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:42,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:42,382 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:42,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 05:12:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:42,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:42,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:42,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:48,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 05:12:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:48,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:48,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:48,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:48,636 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:48,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 05:12:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:48,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:48,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:48,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:50,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 05:12:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:50,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:50,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:50,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:50,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:50,329 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:50,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 05:12:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:50,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:50,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:50,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:52,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 05:12:52,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:52,400 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:52,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:52,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:52,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:52,402 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:52,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 05:12:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:52,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:52,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:12:52,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:58,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 05:12:58,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:12:58,754 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:12:58,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:58,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:58,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:58,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:58,756 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:58,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 05:12:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:58,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:12:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:59,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:12:59,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:06,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 05:13:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:08,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:08,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:08,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:08,257 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:08,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 05:13:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:08,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:08,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:08,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:14,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 05:13:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:14,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:14,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:14,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:14,052 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:14,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 05:13:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:14,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:14,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:14,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:20,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 05:13:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:20,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:20,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:20,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:20,054 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:20,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 05:13:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:20,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:20,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:20,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:21,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 05:13:21,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:21,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:21,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:21,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:21,896 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:21,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 05:13:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:22,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:22,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:22,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:23,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-12-06 05:13:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:23,860 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:23,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:23,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:23,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:23,863 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:23,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 05:13:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:24,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:24,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:24,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:29,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 05:13:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:29,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:29,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:29,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:29,546 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:29,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 05:13:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:29,734 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:29,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:29,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:34,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 05:13:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:34,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:34,899 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:34,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:34,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:34,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:34,901 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:34,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 05:13:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:35,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:35,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:35,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:36,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 05:13:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:36,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:36,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:36,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:36,633 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:36,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 05:13:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:36,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:36,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:36,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:41,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 05:13:41,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:41,952 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:41,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:41,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:41,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:41,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:41,954 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:41,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 05:13:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:42,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:42,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:42,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:48,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 05:13:48,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:48,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:48,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:48,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:48,029 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:48,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 05:13:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:48,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:48,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:48,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:53,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 05:13:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:53,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:53,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:53,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:53,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:53,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:53,978 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:53,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 05:13:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:54,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:54,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:13:54,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:56,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 05:13:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:57,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:57,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:57,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:57,660 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:57,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 05:13:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:57,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:57,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:57,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:13:59,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 05:13:59,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:59,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:13:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:13:59,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:13:59,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:59,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:59,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:59,396 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:59,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 05:13:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:59,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:59,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:13:59,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:05,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 05:14:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:05,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:05,122 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:05,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:05,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:05,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:05,125 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:05,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 05:14:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:05,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:05,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:05,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:06,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-12-06 05:14:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:06,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:06,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:06,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:06,799 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:06,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 05:14:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:06,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:07,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:07,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:08,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 05:14:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:08,457 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:08,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:08,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:08,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:08,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:08,459 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:08,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 05:14:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:08,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:08,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:14:08,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:10,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 05:14:12,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:12,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:12,553 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:12,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:12,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:12,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:12,555 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:12,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 05:14:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:12,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:12,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:12,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:18,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:18,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 05:14:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:18,349 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:18,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:18,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:18,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:18,351 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:18,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 05:14:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:18,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:18,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:18,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:24,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:24,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-06 05:14:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:24,033 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:24,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:24,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:24,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:24,036 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:24,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 05:14:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:24,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:24,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:24,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:25,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 05:14:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:25,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:25,942 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:25,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:25,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:25,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:25,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:25,944 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:25,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 05:14:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:26,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:26,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:26,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:31,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 05:14:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:31,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:31,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:31,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:31,503 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:31,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 05:14:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:31,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:31,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:31,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:33,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 05:14:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:33,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:33,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:33,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:33,426 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:33,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 05:14:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:33,614 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:33,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:14:33,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:35,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 05:14:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:37,294 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:37,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:37,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:37,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:37,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:37,296 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:37,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 05:14:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:37,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:37,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:37,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:42,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 05:14:42,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:42,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:42,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:42,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:42,962 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:42,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 05:14:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:43,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:43,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:43,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:49,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-12-06 05:14:49,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:49,308 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:49,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:49,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:49,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:49,310 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:49,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 05:14:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:49,506 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:49,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:49,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:51,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 05:14:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:51,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:51,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:51,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:51,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:51,492 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:51,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 05:14:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:51,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:51,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:51,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:53,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 05:14:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:53,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:53,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:53,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:53,387 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:53,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 05:14:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:53,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:53,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:53,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:55,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 05:14:55,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:55,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:55,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:55,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:55,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:55,309 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:55,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 05:14:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:55,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:55,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:55,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:57,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 05:14:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:14:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:14:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:14:57,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:57,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:57,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:57,057 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:57,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 05:14:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:57,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:57,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:57,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:02,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-12-06 05:15:02,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:02,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:02,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:02,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:02,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:02,852 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:02,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 05:15:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:03,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:03,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:03,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:08,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-12-06 05:15:08,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:08,902 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:08,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:08,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:08,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:08,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:08,904 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:08,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 05:15:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:09,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:09,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:09,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:10,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 05:15:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:10,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:10,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:10,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:10,792 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:10,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 05:15:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:10,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:11,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:11,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:12,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 05:15:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:12,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:12,781 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:12,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:12,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:12,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:12,783 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:12,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 05:15:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:12,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:13,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:13,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:14,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-12-06 05:15:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:14,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:14,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:14,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:14,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:14,493 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:14,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 05:15:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:14,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:14,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:14,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:20,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 05:15:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:20,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:20,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:20,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:20,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:20,817 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:20,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 05:15:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:21,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:21,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:21,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:22,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 05:15:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:22,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:22,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:22,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:22,606 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:22,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 05:15:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:22,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:22,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:22,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:24,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-12-06 05:15:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:24,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:24,578 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:24,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:24,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:24,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:24,581 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:24,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 05:15:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:24,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:24,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:24,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:26,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 05:15:26,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:26,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:26,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:26,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:26,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:26,352 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:26,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 05:15:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:26,538 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:26,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:26,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:28,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 05:15:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:28,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:28,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:28,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:28,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:28,286 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:28,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 05:15:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:28,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:28,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:15:28,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:36,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:36,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-06 05:15:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:38,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:38,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:38,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:38,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:38,061 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:38,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 05:15:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:38,246 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:38,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:38,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:39,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-06 05:15:39,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:39,793 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:39,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:39,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:39,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:39,795 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:39,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 05:15:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:39,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:40,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:40,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:45,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 05:15:45,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:45,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:45,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:45,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:45,658 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:45,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 05:15:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:45,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:45,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:45,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:51,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 05:15:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:51,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:51,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:51,560 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:51,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 05:15:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:51,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:51,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:51,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:53,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 05:15:53,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:53,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:53,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:53,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:53,514 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:53,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 05:15:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:53,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:53,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:53,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:15:59,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-12-06 05:15:59,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:15:59,405 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:15:59,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:15:59,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:59,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:59,406 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:59,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 05:15:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:59,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:59,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:15:59,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:01,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-06 05:16:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:01,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:01,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:01,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:01,248 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:01,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 05:16:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:01,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:01,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:01,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:07,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:07,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-12-06 05:16:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:07,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:07,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:07,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:07,067 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 05:16:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:07,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:07,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:07,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:09,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-06 05:16:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:09,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:09,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:09,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:09,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:09,053 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:09,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 05:16:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:09,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:09,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:09,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:11,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:11,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 05:16:11,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:11,077 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:11,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:11,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:11,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:11,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:11,079 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:11,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 05:16:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:11,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:11,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:11,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:17,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-06 05:16:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:17,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:17,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:17,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:17,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:17,326 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:17,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 05:16:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:17,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:17,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:17,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:23,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-12-06 05:16:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:23,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:23,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:23,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:23,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:23,524 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:23,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 05:16:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:23,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:23,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:23,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:25,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 05:16:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:25,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:25,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:25,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:25,591 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:25,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 05:16:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:25,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:25,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:25,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:27,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-06 05:16:27,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:27,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:27,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:27,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:27,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:27,548 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:27,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 05:16:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:27,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:27,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:27,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:33,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 05:16:33,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:33,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:33,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:33,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:33,367 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:33,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 05:16:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:33,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:33,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:33,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:39,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-12-06 05:16:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:39,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:39,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:39,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:39,286 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:39,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 05:16:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:39,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:39,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:39,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:44,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-06 05:16:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:44,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:44,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:44,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:44,710 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:44,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 05:16:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:44,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:44,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:44,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:50,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-12-06 05:16:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:50,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:50,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:50,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:50,419 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:50,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 05:16:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:50,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:50,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:50,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:56,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-06 05:16:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:16:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:16:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:56,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:56,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:56,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:56,441 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:56,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 05:16:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:56,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:56,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:16:56,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:03,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-12-06 05:17:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:03,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:03,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:03,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:03,188 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:03,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 05:17:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:03,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:03,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:03,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:09,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-12-06 05:17:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:09,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:09,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:09,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:09,254 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:09,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 05:17:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:09,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:09,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:09,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:15,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-06 05:17:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:15,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:15,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:15,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:15,497 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:15,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 05:17:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:15,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:15,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:15,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:17,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-06 05:17:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:17,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:17,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:17,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:17,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:17,202 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:17,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 05:17:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:17,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:17,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:17,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:18,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-06 05:17:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:18,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:18,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:18,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:18,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:18,945 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:18,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 05:17:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:19,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:19,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:19,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:20,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-06 05:17:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:20,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:20,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:20,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:20,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:20,802 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:20,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 05:17:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:21,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:21,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:21,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:26,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:26,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 05:17:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:26,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:26,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:26,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:26,979 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:26,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 05:17:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:27,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:27,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:17:27,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:34,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 05:17:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:35,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:35,973 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:35,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:35,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:35,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:35,975 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:35,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 05:17:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:36,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:36,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:36,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:41,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-06 05:17:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:41,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:41,609 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:41,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:41,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:41,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:41,611 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:41,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 05:17:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:41,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:41,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:41,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:47,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:47,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-12-06 05:17:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:47,216 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:47,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:47,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:47,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:47,218 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:47,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 05:17:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:47,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:47,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:47,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:49,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 05:17:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:49,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:49,236 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:49,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:49,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:49,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:49,237 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:49,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 05:17:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:49,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:49,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:49,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:51,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-06 05:17:51,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:51,153 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:51,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:51,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:51,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:51,154 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:51,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 05:17:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:51,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:51,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:51,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:52,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-06 05:17:52,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:52,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:52,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:52,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:52,799 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:52,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 05:17:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:52,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:53,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:53,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:54,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:54,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-12-06 05:17:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:54,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:54,537 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:54,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 05:17:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:54,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:54,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:54,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:56,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 05:17:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:17:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:17:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:56,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:56,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:56,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:56,460 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:56,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 05:17:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:56,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:56,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:56,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:01,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-06 05:18:01,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:18:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:18:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:01,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:01,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:01,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:01,824 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:01,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 05:18:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:02,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:02,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:02,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:05,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-06 05:18:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:05,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:18:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:18:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:05,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:05,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:05,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:05,572 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:05,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 05:18:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:05,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:05,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:05,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:07,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-12-06 05:18:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:18:07,441 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:18:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:18:07,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:07,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:07,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:07,443 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:07,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafdc8d2-6d6b-458d-8454-bdd897d45d48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 05:18:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:07,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:07,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:18:07,702 INFO L279 TraceCheckSpWp]: Computing forward predicates...