./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/list-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/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_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:36:10,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:36:10,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:36:10,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:36:10,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:36:10,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:36:10,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:36:10,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:36:10,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:36:10,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:36:10,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:36:10,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:36:10,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:36:10,108 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:36:10,108 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:36:10,108 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:36:10,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:36:10,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:36:10,109 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:36:10,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:36:10,109 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:36:10,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:36:10,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:36:10,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:36:10,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:36:10,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:36:10,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:36:10,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:36:10,109 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:36:10,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:36:10,110 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_9f6e8716-d0d1-40ab-b3a7-294707bad195/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 [2024-11-13 22:36:10,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:36:10,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:36:10,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:36:10,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:36:10,425 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:36:10,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/list-ext.i Unable to find full path for "g++" [2024-11-13 22:36:12,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:36:12,741 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:36:12,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/sv-benchmarks/c/list-ext-properties/list-ext.i [2024-11-13 22:36:12,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/data/2080ea9c2/b5843ae81bb94d019c64e3ed22de6503/FLAG22d56b0e9 [2024-11-13 22:36:12,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/data/2080ea9c2/b5843ae81bb94d019c64e3ed22de6503 [2024-11-13 22:36:12,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:36:12,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:36:12,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:36:12,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:36:12,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:36:12,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:12" (1/1) ... [2024-11-13 22:36:12,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac549fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:12, skipping insertion in model container [2024-11-13 22:36:12,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:12" (1/1) ... [2024-11-13 22:36:12,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:36:13,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:36:13,311 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:36:13,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:36:13,416 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:36:13,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13 WrapperNode [2024-11-13 22:36:13,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:36:13,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:36:13,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:36:13,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:36:13,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,473 INFO L138 Inliner]: procedures = 124, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2024-11-13 22:36:13,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:36:13,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:36:13,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:36:13,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:36:13,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:36:13,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:36:13,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:36:13,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:36:13,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:13" (1/1) ... [2024-11-13 22:36:13,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:36:13,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:36:13,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:36:13,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:36:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:36:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:36:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:36:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:36:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:36:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:36:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:36:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:36:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:36:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:36:13,766 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:36:13,769 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:36:14,213 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-13 22:36:14,214 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:36:14,306 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:36:14,306 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 22:36:14,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:14 BoogieIcfgContainer [2024-11-13 22:36:14,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:36:14,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:36:14,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:36:14,326 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:36:14,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:14" (1/1) ... [2024-11-13 22:36:14,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:36:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2024-11-13 22:36:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-11-13 22:36:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:36:14,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:14,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:14,746 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 22:36:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2024-11-13 22:36:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2024-11-13 22:36:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:36:14,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:14,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:15,103 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 22:36:15,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2024-11-13 22:36:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2024-11-13 22:36:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:36:15,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:15,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:15,464 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 22:36:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2024-11-13 22:36:15,484 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-11-13 22:36:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:15,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:15,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:15,600 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 22:36:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2024-11-13 22:36:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2024-11-13 22:36:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:15,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:15,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:15,776 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 22:36:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 92 states and 112 transitions. [2024-11-13 22:36:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2024-11-13 22:36:15,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:15,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:15,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:15,870 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 22:36:15,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2024-11-13 22:36:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-13 22:36:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:15,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:16,043 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 22:36:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2024-11-13 22:36:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-13 22:36:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:16,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:16,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:16,390 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 22:36:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2024-11-13 22:36:16,418 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2024-11-13 22:36:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:16,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:16,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:16,589 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 22:36:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-11-13 22:36:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-13 22:36:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:36:16,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:16,647 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 22:36:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:16,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-13 22:36:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-13 22:36:16,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:36:16,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:16,770 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 22:36:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-11-13 22:36:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-13 22:36:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:36:16,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:16,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:16,830 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 22:36:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:16,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-13 22:36:16,862 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-13 22:36:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:36:16,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:16,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:17,000 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 22:36:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 95 states and 120 transitions. [2024-11-13 22:36:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2024-11-13 22:36:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:36:17,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:17,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:17,197 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 22:36:17,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:17,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 102 states and 134 transitions. [2024-11-13 22:36:17,493 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 134 transitions. [2024-11-13 22:36:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:36:17,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:17,643 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 22:36:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 109 states and 149 transitions. [2024-11-13 22:36:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2024-11-13 22:36:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:36:17,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:17,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:17,983 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 22:36:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 148 transitions. [2024-11-13 22:36:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2024-11-13 22:36:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:36:18,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:18,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:18,116 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 22:36:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2024-11-13 22:36:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2024-11-13 22:36:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:36:18,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:18,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:18,174 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 22:36:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2024-11-13 22:36:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2024-11-13 22:36:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:36:18,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:18,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:18,258 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 22:36:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 110 states and 155 transitions. [2024-11-13 22:36:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2024-11-13 22:36:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:18,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:18,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:18,318 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 22:36:18,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 111 states and 156 transitions. [2024-11-13 22:36:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 156 transitions. [2024-11-13 22:36:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:18,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:18,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:18,455 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 22:36:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 113 states and 161 transitions. [2024-11-13 22:36:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2024-11-13 22:36:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:18,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:18,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:18,687 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 22:36:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 112 states and 160 transitions. [2024-11-13 22:36:18,708 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2024-11-13 22:36:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:18,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:18,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:18,829 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 22:36:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 114 states and 165 transitions. [2024-11-13 22:36:18,969 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2024-11-13 22:36:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:18,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:18,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:19,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 115 states and 166 transitions. [2024-11-13 22:36:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 166 transitions. [2024-11-13 22:36:19,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:19,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:19,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2024-11-13 22:36:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2024-11-13 22:36:20,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:36:20,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:20,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:21,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:21,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 103 states and 148 transitions. [2024-11-13 22:36:21,986 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2024-11-13 22:36:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:21,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:21,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:22,013 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 22:36:22,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:22,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 147 transitions. [2024-11-13 22:36:22,035 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2024-11-13 22:36:22,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:22,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:22,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:22,084 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 22:36:22,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:22,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 104 states and 150 transitions. [2024-11-13 22:36:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2024-11-13 22:36:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:22,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:22,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:22,129 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 22:36:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 103 states and 149 transitions. [2024-11-13 22:36:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2024-11-13 22:36:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:22,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:22,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:22,228 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 22:36:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 106 states and 157 transitions. [2024-11-13 22:36:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2024-11-13 22:36:22,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:22,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:22,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:22,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 106 states and 156 transitions. [2024-11-13 22:36:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 156 transitions. [2024-11-13 22:36:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:22,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:22,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 87 states and 125 transitions. [2024-11-13 22:36:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2024-11-13 22:36:23,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:36:23,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:23,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:23,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:23,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 89 states and 130 transitions. [2024-11-13 22:36:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2024-11-13 22:36:23,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:36:23,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:23,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:24,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 97 states and 143 transitions. [2024-11-13 22:36:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 143 transitions. [2024-11-13 22:36:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:36:25,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:25,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 149 transitions. [2024-11-13 22:36:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2024-11-13 22:36:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:36:26,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:26,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 107 states and 158 transitions. [2024-11-13 22:36:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 158 transitions. [2024-11-13 22:36:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:36:27,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:27,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:27,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 109 states and 161 transitions. [2024-11-13 22:36:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2024-11-13 22:36:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:36:27,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:36:27,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:36:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:36:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:36:27,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:36:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:36:27,308 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 38 iterations. [2024-11-13 22:36:27,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:36:27 ImpRootNode [2024-11-13 22:36:27,349 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:36:27,349 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:36:27,351 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:36:27,351 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:36:27,352 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:14" (3/4) ... [2024-11-13 22:36:27,355 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:36:27,356 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:36:27,357 INFO L158 Benchmark]: Toolchain (without parser) took 14562.53ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 118.4MB in the beginning and 104.1MB in the end (delta: 14.4MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2024-11-13 22:36:27,361 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:27,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.02ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 100.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:36:27,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.84ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:27,362 INFO L158 Benchmark]: Boogie Preprocessor took 46.90ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:27,363 INFO L158 Benchmark]: RCFGBuilder took 782.49ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 71.7MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:36:27,363 INFO L158 Benchmark]: CodeCheck took 13039.09ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 71.7MB in the beginning and 104.1MB in the end (delta: -32.4MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-11-13 22:36:27,364 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 218.1MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:27,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 80 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 38, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3200 SdHoareTripleChecker+Valid, 16.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2419 mSDsluCounter, 3189 SdHoareTripleChecker+Invalid, 13.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2149 mSDsCounter, 2056 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7494 IncrementalHoareTripleChecker+Invalid, 9550 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2056 mSolverCounterUnsat, 1040 mSDtfsCounter, 7494 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3270 GetRequests, 3053 SyntacticMatches, 77 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7468 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 1819 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 33 PerfectInterpolantSequences, 12/20 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L532] int i = 0; [L533] int y = 0; [L534] List a = (List) malloc(sizeof(struct node)); [L535] COND FALSE !(a == 0) [L536] List t; [L537] List p = a; VAL [a={3165:0}, i=0, p={3165:0}, y=0] [L538] i < 10 && __VERIFIER_nondet_int() [L538] i < 10 && __VERIFIER_nondet_int() VAL [a={3165:0}, i=0, p={3165:0}, y=0] [L538] COND FALSE !(i < 10 && __VERIFIER_nondet_int()) [L546] y < 10 && __VERIFIER_nondet_int() [L546] y < 10 && __VERIFIER_nondet_int() VAL [a={3165:0}, i=0, p={3165:0}, y=0] [L546] COND FALSE !(y < 10 && __VERIFIER_nondet_int()) [L554] p->h = 3 VAL [a={3165:0}, i=0, p={3165:0}, y=0] [L555] p->n = 0 [L556] i = 0 [L557] y = 0 [L558] p = a VAL [a={3165:0}, i=0, p={3165:0}, y=0] [L559] EXPR p->h VAL [a={3165:0}, i=0, p={3165:0}, y=0] [L559] COND FALSE !(p->h == 1) [L563] EXPR p->h VAL [a={3165:0}, i=0, p={3165:0}, y=0] [L563] COND FALSE !(p->h == 2) [L567] EXPR p->h VAL [a={3165:0}, i=0, y=0] [L567] COND TRUE p->h != 3 || (i + y) < 20 [L568] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "list-ext.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.02ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 100.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.84ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.90ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 782.49ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 71.7MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 13039.09ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 71.7MB in the beginning and 104.1MB in the end (delta: -32.4MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 218.1MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:36:27,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 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_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/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_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:36:30,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:36:30,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 22:36:30,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:36:30,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:36:30,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:36:30,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:36:30,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:36:30,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:36:30,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:36:30,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:36:30,448 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:36:30,448 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:36:30,448 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:36:30,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:36:30,448 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:36:30,448 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:36:30,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:36:30,449 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:36:30,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:36:30,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:36:30,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:36:30,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:36:30,449 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:36:30,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:36:30,450 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:30,450 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:36:30,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:36:30,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:36:30,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:36:30,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:36:30,451 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:36:30,451 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:30,451 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:36:30,451 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_9f6e8716-d0d1-40ab-b3a7-294707bad195/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 [2024-11-13 22:36:30,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:36:30,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:36:30,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:36:30,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:36:30,756 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:36:30,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/list-ext.i Unable to find full path for "g++" [2024-11-13 22:36:32,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:36:33,007 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:36:33,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/sv-benchmarks/c/list-ext-properties/list-ext.i [2024-11-13 22:36:33,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/data/01d27b3a3/80a0450fb70641e0bf7a7a19ff15123d/FLAGf7a66eafa [2024-11-13 22:36:33,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/data/01d27b3a3/80a0450fb70641e0bf7a7a19ff15123d [2024-11-13 22:36:33,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:36:33,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:36:33,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:36:33,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:36:33,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:36:33,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e19f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33, skipping insertion in model container [2024-11-13 22:36:33,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:36:33,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:36:33,472 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:36:33,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:36:33,567 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:36:33,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33 WrapperNode [2024-11-13 22:36:33,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:36:33,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:36:33,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:36:33,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:36:33,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,615 INFO L138 Inliner]: procedures = 127, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2024-11-13 22:36:33,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:36:33,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:36:33,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:36:33,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:36:33,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:36:33,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:36:33,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:36:33,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:36:33,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:33" (1/1) ... [2024-11-13 22:36:33,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:36:33,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:36:33,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:36:33,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:36:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:36:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:36:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:36:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:36:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:36:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:36:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:36:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:36:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:36:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:36:33,858 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:36:33,860 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:36:34,430 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-13 22:36:34,430 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:36:34,526 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:36:34,526 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 22:36:34,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:34 BoogieIcfgContainer [2024-11-13 22:36:34,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:36:34,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:36:34,531 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:36:34,555 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:36:34,555 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:34" (1/1) ... [2024-11-13 22:36:34,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:36:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:34,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2024-11-13 22:36:34,621 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-11-13 22:36:34,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:36:34,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:34,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:34,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:34,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:34,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:36:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:34,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:34,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:36:34,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:34,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:36:34,888 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 22:36:34,890 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:34,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:36:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2024-11-13 22:36:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2024-11-13 22:36:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:36:34,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:34,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:34,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:34,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:34,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:36:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:35,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:35,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:36:35,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:35,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:35,229 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 22:36:35,231 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:35,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:35,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2024-11-13 22:36:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2024-11-13 22:36:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:36:35,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:35,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:35,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:35,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:35,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:36:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:35,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:35,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:36:35,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:35,713 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 22:36:35,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:36:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2024-11-13 22:36:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-11-13 22:36:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:35,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:35,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:35,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:35,740 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:35,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:36:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:35,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:35,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:36:35,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:35,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:36:35,871 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 22:36:35,872 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:35,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2024-11-13 22:36:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2024-11-13 22:36:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:35,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:35,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:35,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:35,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:35,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:36:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:36,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:36,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:36:36,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:36,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:36,149 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 22:36:36,151 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:36,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:36:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 92 states and 112 transitions. [2024-11-13 22:36:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2024-11-13 22:36:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:36,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:36,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:36,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:36,211 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:36,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:36:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:36,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:36,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:36:36,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:36,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:36:36,355 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 22:36:36,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:36:36,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2024-11-13 22:36:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-13 22:36:36,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:36,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:36,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:36,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:36,393 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:36,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:36:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:36,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:36,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:36:36,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:36,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:36,599 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 22:36:36,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2024-11-13 22:36:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2024-11-13 22:36:36,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:36,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:36,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:36,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:36,646 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:36,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:36:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:36,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:36,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:36:36,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:36,824 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 22:36:36,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 22:36:36,836 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 22:36:36,838 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:36,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2024-11-13 22:36:36,880 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-13 22:36:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:36,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:36,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:36,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:36,884 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:36,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:36:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:36:37,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:37,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:36:37,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-11-13 22:36:37,148 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:36:37,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 13 treesize of output 13 [2024-11-13 22:36:37,158 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 22:36:37,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2024-11-13 22:36:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2024-11-13 22:36:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:36:37,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:37,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:37,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:37,217 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:37,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:36:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:36:37,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:37,334 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 22:36:37,336 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:37,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:36:37,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2024-11-13 22:36:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-13 22:36:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:36:37,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:37,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:37,383 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:37,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:36:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:36:37,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:37,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:37,592 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 22:36:37,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2024-11-13 22:36:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2024-11-13 22:36:37,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:36:37,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:37,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:37,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:37,652 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:37,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:36:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:36:37,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:37,784 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 22:36:37,786 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:37,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:37,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2024-11-13 22:36:37,828 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-13 22:36:37,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:36:37,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:37,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:37,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:37,831 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:37,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:36:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:37,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:36:37,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:38,058 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 22:36:38,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:36:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:38,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2024-11-13 22:36:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2024-11-13 22:36:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:36:38,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:38,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:38,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:38,445 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:38,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:36:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:38,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:38,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:36:38,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:38,660 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 22:36:38,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:36:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 100 states and 127 transitions. [2024-11-13 22:36:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2024-11-13 22:36:39,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:36:39,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:39,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:39,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:39,163 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:39,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:36:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:39,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:39,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:36:39,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:39,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:39,400 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 22:36:39,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:36:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 107 states and 141 transitions. [2024-11-13 22:36:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 141 transitions. [2024-11-13 22:36:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:36:40,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:40,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:40,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:40,027 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:40,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:36:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:40,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:40,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:36:40,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:40,253 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 22:36:40,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 22:36:40,263 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 22:36:40,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 106 states and 140 transitions. [2024-11-13 22:36:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2024-11-13 22:36:40,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:36:40,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:40,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:40,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:40,326 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:40,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:36:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:40,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:40,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:36:40,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:40,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:36:40,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-11-13 22:36:40,649 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:36:40,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 13 treesize of output 13 [2024-11-13 22:36:40,664 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 22:36:40,667 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:40,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:36:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:40,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2024-11-13 22:36:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2024-11-13 22:36:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:36:40,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:40,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:40,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:40,736 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:40,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:36:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:40,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:40,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:36:40,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:40,925 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 22:36:40,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:36:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2024-11-13 22:36:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2024-11-13 22:36:40,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:36:40,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:40,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:40,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:41,006 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:41,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:36:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:41,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:41,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:36:41,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:41,189 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 22:36:41,191 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:41,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:36:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 106 states and 141 transitions. [2024-11-13 22:36:41,252 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 141 transitions. [2024-11-13 22:36:41,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:41,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:41,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:41,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:41,257 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:41,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:36:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:41,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:41,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:36:41,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:41,447 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 22:36:41,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:36:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:41,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2024-11-13 22:36:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2024-11-13 22:36:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:41,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:41,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:41,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:41,495 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:41,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:36:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:41,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:41,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:36:41,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:41,856 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 22:36:41,859 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:41,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:42,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2024-11-13 22:36:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2024-11-13 22:36:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:42,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:42,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:42,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:42,568 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:42,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:36:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:42,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:42,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:36:42,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:42,743 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 22:36:42,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 22:36:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2024-11-13 22:36:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2024-11-13 22:36:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:42,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:42,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:42,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:42,777 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:42,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:36:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:42,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:42,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:36:42,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:42,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:43,060 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 22:36:43,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:36:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 109 states and 147 transitions. [2024-11-13 22:36:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2024-11-13 22:36:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:43,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:43,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:43,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:43,341 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:43,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:36:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:43,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:43,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:36:43,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:43,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:43,686 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 13 treesize of output 9 [2024-11-13 22:36:43,696 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 19 treesize of output 1 [2024-11-13 22:36:43,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 21 treesize of output 9 [2024-11-13 22:36:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:43,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 22:36:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 103 states and 137 transitions. [2024-11-13 22:36:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 137 transitions. [2024-11-13 22:36:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:36:45,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:45,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:45,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:45,064 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:45,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:36:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:45,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:45,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:36:45,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:45,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:36:45,388 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 19 treesize of output 1 [2024-11-13 22:36:45,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 23 treesize of output 11 [2024-11-13 22:36:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:45,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 22:36:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:46,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 98 states and 131 transitions. [2024-11-13 22:36:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2024-11-13 22:36:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:36:46,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:46,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:46,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:46,611 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:46,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:36:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:46,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:46,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:36:46,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:46,967 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 22:36:47,102 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 27 treesize of output 11 [2024-11-13 22:36:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:47,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 22:36:48,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 101 states and 138 transitions. [2024-11-13 22:36:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 138 transitions. [2024-11-13 22:36:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:48,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:48,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:48,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:48,911 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:48,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:36:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:49,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:49,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:36:49,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:49,101 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 22:36:49,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 100 states and 137 transitions. [2024-11-13 22:36:49,131 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 137 transitions. [2024-11-13 22:36:49,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:49,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:49,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:49,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:49,135 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:49,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 22:36:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:49,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:49,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:36:49,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:49,346 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 22:36:49,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 22:36:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 99 states and 136 transitions. [2024-11-13 22:36:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2024-11-13 22:36:49,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:49,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:49,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:49,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:49,371 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:49,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 22:36:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:49,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:49,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:36:49,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:49,569 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 22:36:49,571 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:36:49,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 22:36:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 98 states and 135 transitions. [2024-11-13 22:36:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-13 22:36:49,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:49,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:49,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:49,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:49,615 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:49,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 22:36:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:49,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:49,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:36:49,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:49,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:49,918 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 22:36:49,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 22:36:50,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:50,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 101 states and 143 transitions. [2024-11-13 22:36:50,007 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-13 22:36:50,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:50,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:50,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:50,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:50,009 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:50,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 22:36:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:50,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:50,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:36:50,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:50,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:36:50,247 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 19 treesize of output 1 [2024-11-13 22:36:50,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 23 treesize of output 11 [2024-11-13 22:36:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:50,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 22:36:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 102 states and 144 transitions. [2024-11-13 22:36:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-13 22:36:51,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:36:51,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:51,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:51,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:51,305 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:51,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 22:36:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:51,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:51,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:36:51,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:51,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:36:51,523 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 13 treesize of output 9 [2024-11-13 22:36:51,532 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 19 treesize of output 1 [2024-11-13 22:36:51,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 21 treesize of output 9 [2024-11-13 22:36:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:51,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 22:36:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2024-11-13 22:36:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2024-11-13 22:36:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:36:52,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:52,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:52,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:52,207 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:52,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 22:36:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:52,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:52,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:36:52,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:52,464 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 22:36:52,474 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 27 treesize of output 11 [2024-11-13 22:36:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:52,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 22:36:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 86 states and 123 transitions. [2024-11-13 22:36:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2024-11-13 22:36:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:36:53,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:53,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:53,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:53,629 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:53,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 22:36:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:53,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:53,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:36:53,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:53,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:53,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-13 22:36:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 93 states and 133 transitions. [2024-11-13 22:36:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2024-11-13 22:36:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:36:55,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:55,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:55,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:55,587 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:55,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 22:36:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:55,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:55,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:36:55,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:56,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 22:36:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 99 states and 144 transitions. [2024-11-13 22:36:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2024-11-13 22:36:59,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:36:59,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:59,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:59,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:59,789 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:59,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 22:36:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:59,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:37:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:00,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:37:00,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:37:00,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 22:37:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 102 states and 148 transitions. [2024-11-13 22:37:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2024-11-13 22:37:00,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:37:00,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:00,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:37:00,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:37:00,757 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:37:00,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 22:37:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:00,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:37:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:01,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:37:01,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:37:01,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 22:37:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 108 states and 157 transitions. [2024-11-13 22:37:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2024-11-13 22:37:03,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:37:03,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:03,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:37:03,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:37:03,873 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:37:03,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 22:37:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:04,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:37:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:04,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:37:04,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:04,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:37:04,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 22:37:04,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 111 states and 161 transitions. [2024-11-13 22:37:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2024-11-13 22:37:04,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:37:04,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:04,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:37:04,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:37:04,927 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:37:04,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 22:37:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:05,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:37:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:05,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:37:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:05,326 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:37:05,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 22:37:05,330 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 39 iterations. [2024-11-13 22:37:05,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:37:05 ImpRootNode [2024-11-13 22:37:05,366 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:37:05,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:37:05,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:37:05,367 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:37:05,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:34" (3/4) ... [2024-11-13 22:37:05,369 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:37:05,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:37:05,370 INFO L158 Benchmark]: Toolchain (without parser) took 32315.13ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 53.6MB in the end (delta: 39.6MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-13 22:37:05,371 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:05,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.86ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 74.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:37:05,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.82ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 72.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:05,371 INFO L158 Benchmark]: Boogie Preprocessor took 43.17ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:37:05,372 INFO L158 Benchmark]: RCFGBuilder took 866.91ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 39.5MB in the end (delta: 31.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:37:05,372 INFO L158 Benchmark]: CodeCheck took 30835.26ms. Allocated memory is still 117.4MB. Free memory was 39.2MB in the beginning and 53.6MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:05,372 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 117.4MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:05,374 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 80 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 30.8s, OverallIterations: 39, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3333 SdHoareTripleChecker+Valid, 31.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2543 mSDsluCounter, 3302 SdHoareTripleChecker+Invalid, 27.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2222 mSDsCounter, 2464 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7667 IncrementalHoareTripleChecker+Invalid, 10131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2464 mSolverCounterUnsat, 1080 mSDtfsCounter, 7667 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3477 GetRequests, 3218 SyntacticMatches, 91 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11357 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 353 ConstructedInterpolants, 0 QuantifiedInterpolants, 1984 SizeOfPredicates, 62 NumberOfNonLiveVariables, 2481 ConjunctsInSsa, 196 ConjunctsInUnsatCore, 38 InterpolantComputations, 33 PerfectInterpolantSequences, 12/22 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L532] int i = 0; [L533] int y = 0; [L534] List a = (List) malloc(sizeof(struct node)); [L535] COND FALSE !(a == 0) [L536] List t; [L537] List p = a; VAL [a={3:0}, i=0, p={3:0}, y=0] [L538] i < 10 && __VERIFIER_nondet_int() [L538] i < 10 && __VERIFIER_nondet_int() VAL [a={3:0}, i=0, p={3:0}, y=0] [L538] COND FALSE !(i < 10 && __VERIFIER_nondet_int()) [L546] y < 10 && __VERIFIER_nondet_int() [L546] y < 10 && __VERIFIER_nondet_int() VAL [a={3:0}, i=0, p={3:0}, y=0] [L546] COND FALSE !(y < 10 && __VERIFIER_nondet_int()) [L554] p->h = 3 VAL [a={3:0}, i=0, p={3:0}, y=0] [L555] p->n = 0 [L556] i = 0 [L557] y = 0 [L558] p = a VAL [a={3:0}, i=0, p={3:0}, y=0] [L559] EXPR p->h VAL [a={3:0}, i=0, p={3:0}, y=0] [L559] COND FALSE !(p->h == 1) [L563] EXPR p->h VAL [a={3:0}, i=0, p={3:0}, y=0] [L563] COND FALSE !(p->h == 2) [L567] EXPR p->h VAL [a={3:0}, i=0, y=0] [L567] COND TRUE p->h != 3 || (i + y) < 20 [L568] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "list-ext.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.86ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 74.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.82ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 72.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.17ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 866.91ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 39.5MB in the end (delta: 31.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 30835.26ms. Allocated memory is still 117.4MB. Free memory was 39.2MB in the beginning and 53.6MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 117.4MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:37:05,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6e8716-d0d1-40ab-b3a7-294707bad195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample