./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array14_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array14_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:03:22,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:03:22,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:03:22,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:03:22,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:03:23,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:03:23,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:03:23,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:03:23,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:03:23,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:03:23,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:03:23,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:03:23,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:03:23,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:03:23,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:03:23,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:03:23,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:03:23,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:03:23,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:03:23,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:03:23,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:03:23,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:03:23,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:03:23,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:03:23,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:03:23,012 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:03:23,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:03:23,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:03:23,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:03:23,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:03:23,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:03:23,013 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:03:23,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:03:23,013 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_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 [2024-11-13 22:03:23,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:03:23,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:03:23,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:03:23,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:03:23,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:03:23,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-patterns/array14_pattern.c Unable to find full path for "g++" [2024-11-13 22:03:25,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:03:25,429 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:03:25,433 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/sv-benchmarks/c/array-patterns/array14_pattern.c [2024-11-13 22:03:25,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/data/7725c8ada/5d58374a12804091893b986e7a4bd1d3/FLAG86f095d6b [2024-11-13 22:03:25,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/data/7725c8ada/5d58374a12804091893b986e7a4bd1d3 [2024-11-13 22:03:25,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:03:25,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:03:25,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:03:25,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:03:25,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:03:25,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765ffc80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25, skipping insertion in model container [2024-11-13 22:03:25,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:03:25,660 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_59ccb2c8-df33-4819-990d-0767642218c1/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2024-11-13 22:03:25,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:03:25,702 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:03:25,714 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_59ccb2c8-df33-4819-990d-0767642218c1/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2024-11-13 22:03:25,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:03:25,754 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:03:25,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25 WrapperNode [2024-11-13 22:03:25,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:03:25,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:03:25,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:03:25,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:03:25,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,791 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2024-11-13 22:03:25,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:03:25,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:03:25,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:03:25,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:03:25,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:03:25,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:03:25,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:03:25,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:03:25,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:03:25" (1/1) ... [2024-11-13 22:03:25,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:03:25,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:03:25,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:03:25,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:03:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:03:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:03:25,898 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:03:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:03:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:03:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:03:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:03:25,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:03:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:03:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:03:25,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:03:25,988 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:03:26,215 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 22:03:26,216 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:03:26,275 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:03:26,275 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 22:03:26,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:03:26 BoogieIcfgContainer [2024-11-13 22:03:26,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:03:26,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:03:26,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:03:26,286 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:03:26,286 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:03:26" (1/1) ... [2024-11-13 22:03:26,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:03:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-13 22:03:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 22:03:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:03:26,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:26,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:26,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 22:03:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 22:03:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:03:26,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:26,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:03:27,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-13 22:03:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-13 22:03:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:03:27,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:27,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:03:27,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2024-11-13 22:03:27,814 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-13 22:03:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:03:27,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:27,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:03:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-13 22:03:28,067 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 22:03:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:03:28,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:28,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-13 22:03:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-13 22:03:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:03:28,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:28,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:03:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-13 22:03:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-13 22:03:28,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:03:28,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:28,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:28,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 22:03:28,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:29,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 22:03:29,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 292 treesize of output 266 [2024-11-13 22:03:33,071 INFO L349 Elim1Store]: treesize reduction 599, result has 5.4 percent of original size [2024-11-13 22:03:33,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 266 treesize of output 719 [2024-11-13 22:03:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:03:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:03:33,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:03:33,936 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:03:33,937 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:03:34,277 INFO L349 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2024-11-13 22:03:34,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 360 treesize of output 439 [2024-11-13 22:03:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:03:35,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:03:35,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:03:35,658 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:03:35,660 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:03:35,660 INFO L224 Elim1Store]: Index analysis took 288 ms [2024-11-13 22:03:35,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 320 [2024-11-13 22:03:35,719 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:03:35,722 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2024-11-13 22:03:35,726 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 22:03:47,099 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:03:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:03:47,842 INFO L224 Elim1Store]: Index analysis took 513 ms [2024-11-13 22:03:47,855 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-11-13 22:03:47,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 311 treesize of output 251 [2024-11-13 22:03:55,004 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:03:55,006 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2024-11-13 22:03:55,160 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:03:55,162 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2024-11-13 22:03:55,771 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:03:55,773 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2024-11-13 22:03:58,730 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:03:58,732 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2024-11-13 22:04:02,443 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:04:02,445 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 592 [2024-11-13 22:04:13,045 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:04:30,781 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:04:34,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 139 [2024-11-13 22:04:34,155 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:04:34,159 INFO L158 Benchmark]: Toolchain (without parser) took 68697.88ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 58.1MB in the end (delta: 61.0MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2024-11-13 22:04:34,160 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:34,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.18ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:34,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.48ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:34,161 INFO L158 Benchmark]: Boogie Preprocessor took 38.22ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:34,161 INFO L158 Benchmark]: RCFGBuilder took 444.07ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 89.1MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:34,162 INFO L158 Benchmark]: CodeCheck took 67882.70ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 58.1MB in the end (delta: 31.0MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2024-11-13 22:04:34,163 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.18ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.48ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.22ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.07ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 89.1MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 67882.70ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 58.1MB in the end (delta: 31.0MB). Peak memory consumption was 64.5MB. 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_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array14_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:04:36,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:04:36,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:04:36,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:04:36,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:04:36,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:04:36,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:04:36,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:04:36,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:04:36,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:04:36,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:04:36,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:04:36,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:04:36,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:04:36,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:04:36,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:04:36,531 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:04:36,531 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:04:36,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:04:36,532 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:04:36,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:04:36,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:04:36,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:04:36,532 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:04:36,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:04:36,533 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:04:36,533 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,533 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:04:36,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:04:36,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:36,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:04:36,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:04:36,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:04:36,534 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:04:36,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,538 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:04:36,538 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_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 [2024-11-13 22:04:36,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:04:36,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:04:36,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:04:36,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:04:36,848 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:04:36,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-patterns/array14_pattern.c Unable to find full path for "g++" [2024-11-13 22:04:38,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:04:38,971 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:04:38,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/sv-benchmarks/c/array-patterns/array14_pattern.c [2024-11-13 22:04:38,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/data/ad04b1106/291027d137c54286811615741612e6e8/FLAGa0668839b [2024-11-13 22:04:39,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/data/ad04b1106/291027d137c54286811615741612e6e8 [2024-11-13 22:04:39,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:04:39,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:04:39,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:39,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:04:39,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:04:39,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca10801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39, skipping insertion in model container [2024-11-13 22:04:39,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:04:39,207 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_59ccb2c8-df33-4819-990d-0767642218c1/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2024-11-13 22:04:39,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:39,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:04:39,270 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_59ccb2c8-df33-4819-990d-0767642218c1/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2024-11-13 22:04:39,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:39,313 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:04:39,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39 WrapperNode [2024-11-13 22:04:39,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:39,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:39,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:04:39,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:04:39,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,363 INFO L138 Inliner]: procedures = 18, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-11-13 22:04:39,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:39,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:04:39,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:04:39,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:04:39,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:04:39,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:04:39,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:04:39,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:04:39,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:39" (1/1) ... [2024-11-13 22:04:39,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:39,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:04:39,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:04:39,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:04:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:04:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:04:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:04:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:04:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:04:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:04:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:04:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:04:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:04:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:04:39,542 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:04:39,544 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:04:39,911 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 22:04:39,911 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:04:40,005 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:04:40,005 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 22:04:40,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:40 BoogieIcfgContainer [2024-11-13 22:04:40,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:04:40,008 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:04:40,008 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:04:40,019 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:04:40,019 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:40" (1/1) ... [2024-11-13 22:04:40,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:04:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-13 22:04:40,085 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 22:04:40,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:04:40,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:40,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:40,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:40,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:04:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:40,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:04:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 22:04:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 22:04:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:04:40,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:40,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:40,386 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:40,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:04:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:04:40,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 22:04:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 22:04:41,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:04:41,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:04:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:04:41,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:04:41,394 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:04:41,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:04:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 22:04:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 22:04:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:04:41,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,518 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:04:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:04:41,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:04:41,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:04:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 22:04:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 22:04:42,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:04:42,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:42,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:42,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:42,533 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:42,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:04:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:42,945 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:04:42,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:04:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2024-11-13 22:04:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-11-13 22:04:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:04:43,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:43,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:43,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:43,028 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:43,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:04:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:04:43,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:43,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 22:04:45,785 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:04:45,807 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:04:45,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 115 treesize of output 84 [2024-11-13 22:04:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:04:46,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:04:54,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:54,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2024-11-13 22:04:54,774 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2024-11-13 22:04:54,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:04:54,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:54,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:54,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:54,777 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:54,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:04:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:04:55,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:04:56,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:04:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:57,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2024-11-13 22:04:57,813 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2024-11-13 22:04:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:04:57,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:57,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:57,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:57,816 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:57,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:04:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:04:58,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:58,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:05:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:00,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2024-11-13 22:05:00,056 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2024-11-13 22:05:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:05:00,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:00,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:00,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:00,058 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:00,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:05:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:05:00,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:00,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:05:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2024-11-13 22:05:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2024-11-13 22:05:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:05:01,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,507 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:05:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:05:01,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:02,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:05:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:14,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 55 states and 106 transitions. [2024-11-13 22:05:14,464 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 106 transitions. [2024-11-13 22:05:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:05:14,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:14,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:14,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:14,468 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:14,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:05:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:14,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:14,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:05:14,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 22:05:15,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:05:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:16,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 52 states and 94 transitions. [2024-11-13 22:05:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2024-11-13 22:05:16,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:05:16,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:16,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:16,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:16,585 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:16,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:05:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:16,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:16,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:05:16,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:05:19,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 111 transitions. [2024-11-13 22:05:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2024-11-13 22:05:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:05:34,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:34,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:34,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:34,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:34,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:05:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:35,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:35,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:05:35,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 22:05:37,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 62 states and 120 transitions. [2024-11-13 22:05:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 120 transitions. [2024-11-13 22:05:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:05:50,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:50,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:50,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:50,140 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:50,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:05:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:50,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:50,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:05:50,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:54,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 55 [2024-11-13 22:05:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 22:05:54,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:06:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 60 states and 111 transitions. [2024-11-13 22:06:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2024-11-13 22:06:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:06:06,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:06,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:06,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:06,948 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:06,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:06:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:07,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:07,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:06:07,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:09,612 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:06:09,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 71 states and 125 transitions. [2024-11-13 22:06:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 125 transitions. [2024-11-13 22:06:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:06:26,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:26,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:26,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:26,428 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:26,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:06:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:26,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:26,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:06:26,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:06:28,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:42,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 75 states and 132 transitions. [2024-11-13 22:06:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 132 transitions. [2024-11-13 22:06:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:06:42,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:42,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:42,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:42,037 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:42,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:06:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:44,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:44,889 WARN L253 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 22:06:44,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:45,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 22:06:45,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 22:06:48,690 INFO L349 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2024-11-13 22:06:48,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 31 [2024-11-13 22:06:49,843 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-11-13 22:06:49,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 41 treesize of output 46 [2024-11-13 22:07:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:07:00,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:07:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:07:00,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:07:00,522 INFO L349 Elim1Store]: treesize reduction 284, result has 20.4 percent of original size [2024-11-13 22:07:00,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 144 treesize of output 140 [2024-11-13 22:07:22,294 INFO L349 Elim1Store]: treesize reduction 46, result has 81.2 percent of original size [2024-11-13 22:07:22,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 281 [2024-11-13 22:07:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:07:59,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:10:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 96 states and 184 transitions. [2024-11-13 22:10:14,060 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 184 transitions. [2024-11-13 22:10:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:10:14,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:14,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:14,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:14,071 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:14,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:10:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:14,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:14,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:10:14,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:10:24,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:10:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 97 states and 187 transitions. [2024-11-13 22:10:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2024-11-13 22:10:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:10:45,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:45,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:45,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:45,448 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:45,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:10:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:45,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:10:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:45,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:10:45,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:10:48,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:10:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 98 states and 188 transitions. [2024-11-13 22:10:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 188 transitions. [2024-11-13 22:10:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:10:59,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:59,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:10:59,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:10:59,688 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:10:59,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:10:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:59,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:00,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:11:00,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 25 proven. 24 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 22:11:07,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 22:11:28,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 100 states and 192 transitions. [2024-11-13 22:11:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 192 transitions. [2024-11-13 22:11:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:28,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:28,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:28,872 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:28,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:11:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:29,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:29,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:11:29,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 45 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 22:11:40,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 22:13:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 119 states and 224 transitions. [2024-11-13 22:13:35,046 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 224 transitions. [2024-11-13 22:13:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:13:35,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:35,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:35,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:35,056 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:35,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ccb2c8-df33-4819-990d-0767642218c1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:13:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:45,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:45,371 WARN L253 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 22:13:45,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:46,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 22:13:46,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 22:13:48,056 INFO L349 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2024-11-13 22:13:48,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 31 [2024-11-13 22:13:48,303 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-11-13 22:13:48,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 41 treesize of output 46 [2024-11-13 22:13:53,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:13:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:13:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:13:53,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:13:54,004 INFO L349 Elim1Store]: treesize reduction 284, result has 20.4 percent of original size [2024-11-13 22:13:54,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 144 treesize of output 140 [2024-11-13 22:14:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:14:50,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:14:50,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:14:54,589 INFO L349 Elim1Store]: treesize reduction 541, result has 35.1 percent of original size [2024-11-13 22:14:54,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 225 treesize of output 400