./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/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_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:24:25,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:24:25,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:24:25,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:24:25,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:24:25,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:24:25,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:24:25,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:24:25,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:24:25,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:24:25,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:24:25,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:24:25,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:24:25,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:24:25,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:24:25,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:24:25,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:24:25,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:24:25,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:24:25,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:24:25,765 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:24:25,765 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:24:25,765 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:24:25,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:24:25,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:25,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:24:25,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:24:25,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:24:25,766 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:24:25,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:24:25,766 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_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a [2024-11-13 21:24:26,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:24:26,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:24:26,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:24:26,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:24:26,043 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:24:26,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c Unable to find full path for "g++" [2024-11-13 21:24:27,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:24:28,320 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:24:28,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-11-13 21:24:28,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/data/93942608a/0eb6ac16651342599ec0f333b9f53117/FLAG84aa9eff2 [2024-11-13 21:24:28,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/data/93942608a/0eb6ac16651342599ec0f333b9f53117 [2024-11-13 21:24:28,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:24:28,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:24:28,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:28,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:24:28,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:24:28,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:28" (1/1) ... [2024-11-13 21:24:28,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9d763b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:28, skipping insertion in model container [2024-11-13 21:24:28,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:28" (1/1) ... [2024-11-13 21:24:28,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:24:28,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-11-13 21:24:29,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:29,197 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:24:29,207 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-11-13 21:24:29,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:29,514 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:24:29,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29 WrapperNode [2024-11-13 21:24:29,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:29,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:29,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:24:29,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:24:29,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:29,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,122 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3714 [2024-11-13 21:24:30,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:30,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:24:30,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:24:30,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:24:30,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:24:30,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:24:30,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:24:30,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:24:30,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:30,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:30,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:24:30,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:24:30,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:24:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:24:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:24:30,872 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:24:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:24:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:24:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:24:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:24:30,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:24:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:24:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:24:31,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:24:31,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:24:36,330 INFO L? ?]: Removed 1909 outVars from TransFormulas that were not future-live. [2024-11-13 21:24:36,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:24:40,955 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:24:40,955 INFO L316 CfgBuilder]: Removed 19 assume(true) statements. [2024-11-13 21:24:40,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:40 BoogieIcfgContainer [2024-11-13 21:24:40,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:24:40,956 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:24:40,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:24:40,967 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:24:40,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:40" (1/1) ... [2024-11-13 21:24:40,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:24:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:41,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-11-13 21:24:41,035 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-11-13 21:24:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:24:41,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:41,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:24:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-13 21:24:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-13 21:24:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:24:42,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:42,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:24:43,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-11-13 21:24:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-13 21:24:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:24:43,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:43,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:24:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-11-13 21:24:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-13 21:24:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:24:44,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:44,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:24:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-11-13 21:24:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-13 21:24:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:24:45,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:45,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:46,221 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:24:46,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:46,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 21:24:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 21:24:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:24:46,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:46,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:24:47,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:47,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2024-11-13 21:24:47,126 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-11-13 21:24:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:24:47,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:47,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 21:24:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2024-11-13 21:24:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-11-13 21:24:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:24:47,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:47,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 21:24:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2024-11-13 21:24:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2024-11-13 21:24:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:24:48,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:48,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 21:24:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2024-11-13 21:24:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2024-11-13 21:24:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:24:49,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:49,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 21:24:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2024-11-13 21:24:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-13 21:24:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:24:50,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 21:24:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions. [2024-11-13 21:24:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-11-13 21:24:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 21:24:56,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:56,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-13 21:24:59,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:25:03,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:25:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 87 transitions. [2024-11-13 21:25:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-13 21:25:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 21:25:03,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:03,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-13 21:25:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 60 states and 88 transitions. [2024-11-13 21:25:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2024-11-13 21:25:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 21:25:05,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:05,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:06,140 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 21:25:06,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 89 transitions. [2024-11-13 21:25:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2024-11-13 21:25:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 21:25:06,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:06,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 21:25:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2024-11-13 21:25:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-11-13 21:25:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 21:25:07,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:08,687 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 21:25:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2024-11-13 21:25:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-11-13 21:25:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 21:25:08,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:08,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 21:25:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2024-11-13 21:25:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2024-11-13 21:25:10,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 21:25:10,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:10,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 21:25:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2024-11-13 21:25:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2024-11-13 21:25:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 21:25:11,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:11,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 21:25:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2024-11-13 21:25:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2024-11-13 21:25:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 21:25:12,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:12,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-13 21:25:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2024-11-13 21:25:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2024-11-13 21:25:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 21:25:14,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:14,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-13 21:25:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2024-11-13 21:25:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2024-11-13 21:25:15,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 21:25:15,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:15,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-13 21:25:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:18,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2024-11-13 21:25:18,096 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2024-11-13 21:25:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 21:25:18,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:18,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-13 21:25:26,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:25:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2024-11-13 21:25:26,103 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2024-11-13 21:25:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 21:25:26,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:26,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-13 21:25:29,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:25:29,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:29,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2024-11-13 21:25:29,307 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2024-11-13 21:25:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 21:25:29,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:29,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-13 21:25:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2024-11-13 21:25:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-13 21:25:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 21:25:31,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:31,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 21:25:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:32,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2024-11-13 21:25:32,645 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-11-13 21:25:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 21:25:32,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:32,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 21:25:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2024-11-13 21:25:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-13 21:25:33,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 21:25:33,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:35,045 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 21:25:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2024-11-13 21:25:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2024-11-13 21:25:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 21:25:35,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:35,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 21:25:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2024-11-13 21:25:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2024-11-13 21:25:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 21:25:36,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 21:25:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2024-11-13 21:25:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2024-11-13 21:25:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 21:25:37,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:37,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 21:25:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2024-11-13 21:25:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-11-13 21:25:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 21:25:38,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 21:25:40,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2024-11-13 21:25:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-11-13 21:25:40,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 21:25:40,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:40,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 21:25:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:42,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 80 states and 108 transitions. [2024-11-13 21:25:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2024-11-13 21:25:42,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 21:25:42,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:42,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-13 21:25:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2024-11-13 21:25:43,751 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2024-11-13 21:25:43,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 21:25:43,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:43,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-13 21:25:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2024-11-13 21:25:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2024-11-13 21:25:44,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 21:25:44,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:44,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-13 21:25:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:46,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 111 transitions. [2024-11-13 21:25:46,393 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2024-11-13 21:25:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 21:25:46,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:46,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:47,900 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-13 21:25:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2024-11-13 21:25:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2024-11-13 21:25:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 21:25:48,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:48,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-13 21:25:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 85 states and 113 transitions. [2024-11-13 21:25:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2024-11-13 21:25:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 21:25:49,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:49,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-13 21:25:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2024-11-13 21:25:50,767 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2024-11-13 21:25:50,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 21:25:50,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:50,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-13 21:25:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 87 states and 115 transitions. [2024-11-13 21:25:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2024-11-13 21:25:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 21:25:52,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:52,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-13 21:25:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2024-11-13 21:25:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2024-11-13 21:25:53,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 21:25:53,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:53,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-13 21:25:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2024-11-13 21:25:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2024-11-13 21:25:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 21:25:54,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:54,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-13 21:25:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2024-11-13 21:25:56,320 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2024-11-13 21:25:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-13 21:25:56,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:56,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-13 21:25:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2024-11-13 21:25:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2024-11-13 21:25:57,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 21:25:57,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:57,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-13 21:25:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2024-11-13 21:25:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2024-11-13 21:25:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-13 21:25:59,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:59,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-13 21:26:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2024-11-13 21:26:00,691 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2024-11-13 21:26:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-13 21:26:00,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:00,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-13 21:26:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2024-11-13 21:26:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2024-11-13 21:26:02,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 21:26:02,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:02,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-13 21:26:03,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2024-11-13 21:26:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2024-11-13 21:26:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-13 21:26:03,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:03,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-13 21:26:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2024-11-13 21:26:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2024-11-13 21:26:05,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 21:26:05,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:05,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-13 21:26:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:06,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2024-11-13 21:26:06,503 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2024-11-13 21:26:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 21:26:06,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:06,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-13 21:26:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2024-11-13 21:26:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-11-13 21:26:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 21:26:08,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:08,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-13 21:26:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:09,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 99 states and 127 transitions. [2024-11-13 21:26:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2024-11-13 21:26:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 21:26:09,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:09,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-13 21:26:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2024-11-13 21:26:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2024-11-13 21:26:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 21:26:10,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:10,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-13 21:26:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2024-11-13 21:26:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2024-11-13 21:26:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 21:26:12,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:12,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-13 21:26:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2024-11-13 21:26:14,219 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2024-11-13 21:26:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 21:26:14,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:14,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-13 21:26:15,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:15,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 103 states and 131 transitions. [2024-11-13 21:26:15,207 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2024-11-13 21:26:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 21:26:15,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:15,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-13 21:26:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 104 states and 132 transitions. [2024-11-13 21:26:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-11-13 21:26:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 21:26:16,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:16,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-13 21:26:18,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:18,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2024-11-13 21:26:18,483 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2024-11-13 21:26:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 21:26:18,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:18,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-13 21:26:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 106 states and 134 transitions. [2024-11-13 21:26:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 134 transitions. [2024-11-13 21:26:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 21:26:20,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:20,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:26:54,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:27:43,281 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:27:43,286 INFO L158 Benchmark]: Toolchain (without parser) took 194841.62ms. Allocated memory was 117.4MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 92.7MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 21:27:43,286 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:43,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1072.44ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.5MB in the end (delta: 13.9MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2024-11-13 21:27:43,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 603.83ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 78.5MB in the beginning and 244.8MB in the end (delta: -166.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 21:27:43,287 INFO L158 Benchmark]: Boogie Preprocessor took 674.10ms. Allocated memory is still 352.3MB. Free memory was 244.8MB in the beginning and 243.2MB in the end (delta: 1.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-11-13 21:27:43,288 INFO L158 Benchmark]: RCFGBuilder took 10156.41ms. Allocated memory was 352.3MB in the beginning and 855.6MB in the end (delta: 503.3MB). Free memory was 243.2MB in the beginning and 488.3MB in the end (delta: -245.1MB). Peak memory consumption was 566.1MB. Max. memory is 16.1GB. [2024-11-13 21:27:43,288 INFO L158 Benchmark]: CodeCheck took 182328.52ms. Allocated memory was 855.6MB in the beginning and 3.5GB in the end (delta: 2.7GB). Free memory was 488.3MB in the beginning and 2.4GB in the end (delta: -1.9GB). Peak memory consumption was 758.5MB. Max. memory is 16.1GB. [2024-11-13 21:27:43,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1072.44ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.5MB in the end (delta: 13.9MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 603.83ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 78.5MB in the beginning and 244.8MB in the end (delta: -166.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 674.10ms. Allocated memory is still 352.3MB. Free memory was 244.8MB in the beginning and 243.2MB in the end (delta: 1.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * RCFGBuilder took 10156.41ms. Allocated memory was 352.3MB in the beginning and 855.6MB in the end (delta: 503.3MB). Free memory was 243.2MB in the beginning and 488.3MB in the end (delta: -245.1MB). Peak memory consumption was 566.1MB. Max. memory is 16.1GB. * CodeCheck took 182328.52ms. Allocated memory was 855.6MB in the beginning and 3.5GB in the end (delta: 2.7GB). Free memory was 488.3MB in the beginning and 2.4GB in the end (delta: -1.9GB). Peak memory consumption was 758.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:27:43,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/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_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/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_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:27:46,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:27:46,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:27:46,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:27:46,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:27:46,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:27:46,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:27:46,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:27:46,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:27:46,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:27:46,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:27:46,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:27:46,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:27:46,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:27:46,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:27:46,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:27:46,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:27:46,271 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:27:46,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:27:46,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:27:46,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:27:46,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:27:46,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:27:46,272 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:46,274 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:27:46,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:27:46,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:46,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:27:46,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:27:46,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:27:46,275 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:27:46,276 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:46,276 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:27:46,276 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_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a [2024-11-13 21:27:46,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:27:46,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:27:46,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:27:46,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:27:46,637 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:27:46,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c Unable to find full path for "g++" [2024-11-13 21:27:48,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:27:49,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:27:49,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-11-13 21:27:49,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/data/ad04c42cf/15bf611d62ae4411a83f8079af80b84a/FLAG1f09a06c5 [2024-11-13 21:27:49,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/data/ad04c42cf/15bf611d62ae4411a83f8079af80b84a [2024-11-13 21:27:49,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:27:49,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:27:49,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:49,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:27:49,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:27:49,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:49" (1/1) ... [2024-11-13 21:27:49,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bf5c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:49, skipping insertion in model container [2024-11-13 21:27:49,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:49" (1/1) ... [2024-11-13 21:27:49,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:27:49,448 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-11-13 21:27:49,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:49,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:27:49,891 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-11-13 21:27:50,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:50,112 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:27:50,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50 WrapperNode [2024-11-13 21:27:50,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:50,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:50,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:27:50,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:27:50,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,297 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1575 [2024-11-13 21:27:50,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:50,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:27:50,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:27:50,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:27:50,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:27:50,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:27:50,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:27:50,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:27:50,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:50" (1/1) ... [2024-11-13 21:27:50,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:50,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:27:50,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:27:50,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:27:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:27:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-13 21:27:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:27:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:27:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:27:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:27:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:27:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:27:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-13 21:27:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:27:50,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:27:50,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:27:52,416 INFO L? ?]: Removed 1019 outVars from TransFormulas that were not future-live. [2024-11-13 21:27:52,416 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:27:52,814 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:27:52,815 INFO L316 CfgBuilder]: Removed 19 assume(true) statements. [2024-11-13 21:27:52,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:52 BoogieIcfgContainer [2024-11-13 21:27:52,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:27:52,816 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:27:52,816 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:27:52,827 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:27:52,827 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:52" (1/1) ... [2024-11-13 21:27:52,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:27:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-11-13 21:27:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-11-13 21:27:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:27:52,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:52,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:52,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:52,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:52,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:27:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:53,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:27:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:54,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:27:54,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 21:27:54,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:27:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-13 21:27:54,164 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-13 21:27:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:27:54,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:54,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:54,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:54,169 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:54,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:27:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:54,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:27:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:55,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:27:55,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 21:27:55,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:27:55,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:55,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-11-13 21:27:55,217 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-13 21:27:55,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:27:55,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:55,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:55,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:55,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:55,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:27:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:55,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:27:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:56,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:27:56,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 21:27:56,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:27:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-11-13 21:27:56,264 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-13 21:27:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:27:56,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:56,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:56,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:56,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:56,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:27:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:57,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:27:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:57,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:27:57,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:57,251 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 21:27:57,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 21:27:57,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:57,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-11-13 21:27:57,335 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-13 21:27:57,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:27:57,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:57,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:57,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:57,338 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:57,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:27:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:58,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:27:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:58,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:27:58,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:27:58,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 21:27:58,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 21:27:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 21:27:58,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:27:58,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:58,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:58,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:58,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:58,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:27:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:59,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:27:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:59,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:27:59,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 21:27:59,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:27:59,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2024-11-13 21:27:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-11-13 21:27:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:27:59,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:59,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:59,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:59,645 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:59,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:28:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:00,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:00,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:28:00,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:00,646 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 21:28:00,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:28:00,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2024-11-13 21:28:00,759 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2024-11-13 21:28:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:28:00,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:00,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:00,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:00,762 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:00,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:28:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:01,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:01,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:28:01,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:01,873 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 21:28:01,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:28:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2024-11-13 21:28:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-13 21:28:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:28:01,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:01,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:01,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:01,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:01,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:28:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:02,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:02,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:28:02,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:03,032 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 21:28:03,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:28:03,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2024-11-13 21:28:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-11-13 21:28:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:28:03,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:03,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:03,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:03,194 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:03,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:28:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:04,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:04,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:28:04,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 21:28:04,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:28:04,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2024-11-13 21:28:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-13 21:28:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:28:04,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:04,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:04,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:04,489 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:04,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:28:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:05,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:05,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:28:05,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:06,368 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 21:28:06,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:28:10,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 58 states and 85 transitions. [2024-11-13 21:28:10,022 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-11-13 21:28:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 21:28:10,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:10,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:10,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:10,026 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:10,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:28:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:11,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:11,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:11,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-13 21:28:12,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:28:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2024-11-13 21:28:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-11-13 21:28:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 21:28:12,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:12,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:12,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:12,395 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:12,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:28:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:13,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:14,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:14,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-13 21:28:14,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 21:28:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2024-11-13 21:28:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2024-11-13 21:28:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 21:28:14,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:14,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:14,790 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:14,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:28:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:16,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:16,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:16,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 21:28:17,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 21:28:17,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2024-11-13 21:28:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2024-11-13 21:28:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 21:28:17,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:17,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:17,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:17,271 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:17,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:28:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:18,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:19,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:19,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 21:28:19,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:28:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 21:28:19,843 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 21:28:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 21:28:19,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:19,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:19,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:19,846 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:19,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:28:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:21,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:22,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:22,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:22,260 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 21:28:22,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:28:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2024-11-13 21:28:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2024-11-13 21:28:22,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 21:28:22,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:22,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:22,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:22,517 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:22,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:28:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:24,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:24,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:24,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 21:28:25,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 21:28:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:25,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2024-11-13 21:28:25,388 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-11-13 21:28:25,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 21:28:25,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:25,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:25,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:25,391 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:25,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:28:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:27,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:27,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:27,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-13 21:28:28,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:28:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2024-11-13 21:28:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2024-11-13 21:28:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 21:28:28,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:28,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:28,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:28,282 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:28,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:28:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:30,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:30,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:30,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-13 21:28:31,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:28:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2024-11-13 21:28:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2024-11-13 21:28:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 21:28:31,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:31,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:31,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:31,548 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:31,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:28:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:33,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:34,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:34,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:28:34,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 21:28:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2024-11-13 21:28:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2024-11-13 21:28:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 21:28:34,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:34,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:34,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:34,670 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:34,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:28:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:36,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:37,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:37,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 21:28:37,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:28:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:37,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2024-11-13 21:28:37,951 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2024-11-13 21:28:37,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 21:28:37,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:37,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:37,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:37,956 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:37,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:28:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:40,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:40,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:40,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 21:28:41,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 21:28:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2024-11-13 21:28:41,847 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2024-11-13 21:28:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 21:28:41,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:41,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:41,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:41,849 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:41,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:28:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:44,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:44,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:44,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-13 21:28:45,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:28:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2024-11-13 21:28:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2024-11-13 21:28:45,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 21:28:45,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:45,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:45,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:45,385 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:45,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:28:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:47,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:48,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:48,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-13 21:28:48,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-13 21:28:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2024-11-13 21:28:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-11-13 21:28:49,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 21:28:49,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:49,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:49,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:49,010 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:49,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:28:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:51,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:52,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:52,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 21:28:52,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 21:28:53,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:53,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2024-11-13 21:28:53,031 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2024-11-13 21:28:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 21:28:53,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:53,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:53,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:53,036 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:53,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:28:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:55,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:28:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:56,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:28:56,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:28:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-13 21:28:56,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 21:28:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2024-11-13 21:28:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2024-11-13 21:28:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 21:28:56,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:56,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:28:56,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:28:56,946 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:28:56,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:28:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:59,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:00,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:00,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-13 21:29:00,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:29:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2024-11-13 21:29:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-11-13 21:29:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 21:29:01,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:01,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:01,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:01,622 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:01,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:29:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:04,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:04,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:04,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-13 21:29:05,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:29:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2024-11-13 21:29:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2024-11-13 21:29:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 21:29:06,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:06,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:06,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:06,304 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:06,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:29:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:09,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:09,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:09,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-13 21:29:10,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 21:29:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-11-13 21:29:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-11-13 21:29:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 21:29:11,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:11,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:11,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:11,079 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:11,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:29:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:14,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:14,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:14,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-13 21:29:15,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 21:29:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 101 transitions. [2024-11-13 21:29:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2024-11-13 21:29:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 21:29:16,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:16,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:16,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:16,011 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:16,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:29:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:19,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:19,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:19,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-13 21:29:20,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:29:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:21,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 78 states and 102 transitions. [2024-11-13 21:29:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2024-11-13 21:29:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 21:29:21,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:21,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:21,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:21,117 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:21,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:29:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:24,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:24,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:24,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-13 21:29:25,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:29:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 79 states and 103 transitions. [2024-11-13 21:29:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2024-11-13 21:29:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 21:29:26,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:26,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:26,263 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:26,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 21:29:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:29,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:30,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:30,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-13 21:29:30,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 21:29:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 80 states and 104 transitions. [2024-11-13 21:29:31,554 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2024-11-13 21:29:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 21:29:31,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:31,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:31,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:31,556 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:31,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 21:29:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:35,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:35,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:35,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 21:29:35,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-13 21:29:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 105 transitions. [2024-11-13 21:29:36,945 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2024-11-13 21:29:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 21:29:36,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:36,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:36,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:36,947 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:36,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 21:29:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:40,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:40,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:40,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:41,402 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-13 21:29:41,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 21:29:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 82 states and 105 transitions. [2024-11-13 21:29:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2024-11-13 21:29:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 21:29:42,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:42,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:42,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:42,523 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:42,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 21:29:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:46,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:46,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:46,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-13 21:29:47,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 21:29:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 83 states and 106 transitions. [2024-11-13 21:29:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2024-11-13 21:29:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 21:29:48,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:48,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:48,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:48,423 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:48,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 21:29:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:52,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:52,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:52,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 21:29:53,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-13 21:29:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 84 states and 106 transitions. [2024-11-13 21:29:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2024-11-13 21:29:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 21:29:54,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:54,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:54,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:54,453 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:54,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 21:29:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:58,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:58,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:29:58,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-13 21:29:59,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 21:30:00,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:00,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2024-11-13 21:30:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2024-11-13 21:30:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 21:30:00,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:00,623 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:00,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 21:30:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:04,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:05,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:30:05,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-13 21:30:05,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 21:30:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2024-11-13 21:30:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2024-11-13 21:30:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 21:30:06,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:06,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:06,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:06,837 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:06,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 21:30:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:10,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:11,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:30:11,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-13 21:30:11,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 21:30:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:13,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2024-11-13 21:30:13,251 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2024-11-13 21:30:13,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 21:30:13,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:13,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:13,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:13,254 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:13,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 21:30:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:17,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:17,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:30:17,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-13 21:30:18,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 21:30:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2024-11-13 21:30:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2024-11-13 21:30:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 21:30:19,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:19,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:19,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:19,806 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:19,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 21:30:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:24,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:24,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:30:24,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-13 21:30:25,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 21:30:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:26,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 89 states and 110 transitions. [2024-11-13 21:30:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2024-11-13 21:30:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 21:30:26,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:26,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:26,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:26,487 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:26,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 21:30:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:30,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:31,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:30:31,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-13 21:30:31,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-13 21:30:33,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:33,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2024-11-13 21:30:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2024-11-13 21:30:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-13 21:30:33,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:33,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:33,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:33,351 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:33,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 21:30:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:37,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:38,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:30:38,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 21:30:38,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 21:30:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:40,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 91 states and 111 transitions. [2024-11-13 21:30:40,372 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 111 transitions. [2024-11-13 21:30:40,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 21:30:40,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:40,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:40,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:40,378 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:40,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 21:30:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:44,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:45,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:30:45,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 21:30:46,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 21:30:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2024-11-13 21:30:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2024-11-13 21:30:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-13 21:30:47,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:47,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:47,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:47,537 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:47,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 21:30:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:52,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:52,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:30:52,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 21:30:53,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 21:30:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:54,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2024-11-13 21:30:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2024-11-13 21:30:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-13 21:30:54,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:54,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:54,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:54,900 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:54,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 21:30:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:59,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:31:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:00,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:31:00,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 21:31:00,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-13 21:31:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-11-13 21:31:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-11-13 21:31:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 21:31:02,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:02,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:02,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:02,525 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:02,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 21:31:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:07,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:31:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:07,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:31:07,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-13 21:31:08,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-13 21:31:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 113 transitions. [2024-11-13 21:31:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2024-11-13 21:31:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-13 21:31:10,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:10,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:10,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:10,269 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:10,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 21:31:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:15,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:31:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:15,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:31:15,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-13 21:31:16,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-13 21:31:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2024-11-13 21:31:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2024-11-13 21:31:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 21:31:18,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:18,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:18,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:18,087 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:18,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 21:31:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:23,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:31:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:23,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:31:23,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-13 21:31:24,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 21:31:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2024-11-13 21:31:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2024-11-13 21:31:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 21:31:26,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:26,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:26,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:26,055 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:26,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 21:31:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:31,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:31:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:31,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:31:31,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-13 21:31:32,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 21:31:34,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2024-11-13 21:31:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2024-11-13 21:31:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 21:31:34,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:34,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:34,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:34,204 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:34,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 21:31:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:39,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:31:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:40,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:31:40,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-13 21:31:40,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 21:31:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2024-11-13 21:31:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2024-11-13 21:31:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 21:31:42,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:42,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:42,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:42,538 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:42,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 21:31:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:47,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:31:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:48,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:31:48,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-13 21:31:49,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 21:31:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 100 states and 115 transitions. [2024-11-13 21:31:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2024-11-13 21:31:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 21:31:51,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:51,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:51,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:51,072 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:51,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 21:31:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:56,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:31:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:57,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:31:57,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-13 21:31:57,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 21:31:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 101 states and 116 transitions. [2024-11-13 21:31:59,691 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2024-11-13 21:31:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 21:31:59,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:59,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:59,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:59,695 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:59,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 21:32:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:05,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:05,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:32:05,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-13 21:32:06,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 21:32:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:08,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2024-11-13 21:32:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2024-11-13 21:32:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 21:32:08,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:08,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:08,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:08,403 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:08,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 21:32:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:14,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:14,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:32:14,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-13 21:32:15,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 21:32:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2024-11-13 21:32:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2024-11-13 21:32:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 21:32:17,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:17,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:17,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:17,322 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:17,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 21:32:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:23,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:23,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:32:23,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-13 21:32:24,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-13 21:32:26,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2024-11-13 21:32:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-11-13 21:32:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 21:32:26,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:26,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:26,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:26,480 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:26,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 21:32:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:32,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:33,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:32:33,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-13 21:32:33,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-13 21:32:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2024-11-13 21:32:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2024-11-13 21:32:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 21:32:35,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:35,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:35,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:35,860 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:35,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 21:32:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:42,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:42,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:32:42,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-13 21:32:43,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 21:32:45,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:45,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2024-11-13 21:32:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2024-11-13 21:32:45,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 21:32:45,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:45,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:45,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:45,421 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:45,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 21:32:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:52,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:52,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:32:52,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-13 21:33:01,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-13 21:37:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 193 states and 226 transitions. [2024-11-13 21:37:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 226 transitions. [2024-11-13 21:37:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-13 21:37:17,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:17,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:17,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:17,391 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:17,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e3545-284f-4af7-8c10-d2558d9afa72/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process