./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:49:22,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:49:22,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:49:22,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:49:22,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:49:22,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:49:22,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:49:22,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:49:22,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:49:22,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:49:22,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:49:22,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:49:22,856 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:49:22,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:49:22,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:49:22,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:49:22,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:49:22,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:49:22,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:49:22,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:49:22,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:49:22,857 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:49:22,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:49:22,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:49:22,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:49:22,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:49:22,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:49:22,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:22,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:49:22,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:49:22,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:49:22,859 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:49:22,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:49:22,859 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_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 [2024-12-06 05:49:23,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:49:23,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:49:23,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:49:23,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:49:23,192 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:49:23,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-12-06 05:49:26,741 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data/c06e75928/79fc5a45ada047228f1e798877e5c1c9/FLAGbf32849b7 [2024-12-06 05:49:27,019 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:49:27,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-12-06 05:49:27,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data/c06e75928/79fc5a45ada047228f1e798877e5c1c9/FLAGbf32849b7 [2024-12-06 05:49:27,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data/c06e75928/79fc5a45ada047228f1e798877e5c1c9 [2024-12-06 05:49:27,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:49:27,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:49:27,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:27,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:49:27,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:49:27,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f402df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27, skipping insertion in model container [2024-12-06 05:49:27,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:49:27,537 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_5584aecd-c6d0-4f97-a7df-41c24b8c3120/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2024-12-06 05:49:27,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:27,585 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:49:27,599 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_5584aecd-c6d0-4f97-a7df-41c24b8c3120/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2024-12-06 05:49:27,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:27,631 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:49:27,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27 WrapperNode [2024-12-06 05:49:27,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:27,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:27,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:49:27,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:49:27,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,673 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-12-06 05:49:27,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:27,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:49:27,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:49:27,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:49:27,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:49:27,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:49:27,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:49:27,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:49:27,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:27" (1/1) ... [2024-12-06 05:49:27,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:27,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:49:27,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:49:27,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:49:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:49:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:49:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:49:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:49:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:49:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:49:27,844 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:49:27,846 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:49:28,007 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 05:49:28,007 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:49:28,088 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:49:28,088 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:49:28,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:28 BoogieIcfgContainer [2024-12-06 05:49:28,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:49:28,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:49:28,090 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:49:28,099 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:49:28,099 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:28" (1/1) ... [2024-12-06 05:49:28,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:49:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-06 05:49:28,175 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 05:49:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:49:28,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:28,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:49:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:28,356 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:49:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:28,506 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:49:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:28,569 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:49:28,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:49:28 ImpRootNode [2024-12-06 05:49:28,611 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:49:28,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:49:28,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:49:28,612 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:49:28,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:28" (3/4) ... [2024-12-06 05:49:28,616 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:49:28,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:49:28,618 INFO L158 Benchmark]: Toolchain (without parser) took 1283.63ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 64.9MB in the end (delta: 52.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 05:49:28,618 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:28,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.29ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.1MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:49:28,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.77ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:28,620 INFO L158 Benchmark]: Boogie Preprocessor took 27.51ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:49:28,620 INFO L158 Benchmark]: RCFGBuilder took 386.10ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 86.8MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:49:28,621 INFO L158 Benchmark]: CodeCheck took 520.79ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 65.1MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:49:28,621 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 142.6MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 194.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:28,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 32.81; [L23] float var_1_3 = 256.25; [L24] float var_1_4 = 1.75; [L25] double var_1_5 = 10000000.5; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] signed char var_1_10 = 5; [L30] double last_1_var_1_1 = 32.81; [L31] unsigned char last_1_var_1_6 = 0; [L66] isInitial = 1 [L67] FCALL initially() [L69] CALL updateLastVariables() [L58] last_1_var_1_1 = var_1_1 [L59] last_1_var_1_6 = var_1_6 [L69] RET updateLastVariables() [L70] CALL updateVariables() [L44] var_1_3 = __VERIFIER_nondet_float() [L45] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L46] var_1_4 = __VERIFIER_nondet_float() [L47] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L48] var_1_5 = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L50] var_1_8 = __VERIFIER_nondet_uchar() [L51] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L52] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L53] var_1_9 = __VERIFIER_nondet_uchar() [L54] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L55] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L70] RET updateVariables() [L71] CALL step() [L35] COND FALSE !(last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f)) [L38] COND FALSE !(\read(last_1_var_1_6)) [L41] var_1_10 = -50 [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f)) ? (var_1_1 == ((double) var_1_5)) : 1) && (last_1_var_1_6 ? (var_1_6 == ((unsigned char) (! (var_1_8 || var_1_9)))) : 1)) && (var_1_10 == ((signed char) -50)) ; [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_5=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_5=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.29ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.1MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.77ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.51ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 386.10ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 86.8MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 520.79ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 65.1MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 142.6MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 194.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:49:28,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/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_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:49:30,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:49:30,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:49:30,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:49:30,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:49:30,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:49:30,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:49:30,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:49:30,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:49:30,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:49:30,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:49:30,970 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:49:30,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:49:30,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:49:30,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:49:30,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:49:30,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:30,970 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:49:30,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:49:30,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:30,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:49:30,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:49:30,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:49:30,971 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:49:30,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:30,971 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:49:30,971 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_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 [2024-12-06 05:49:31,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:49:31,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:49:31,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:49:31,213 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:49:31,213 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:49:31,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-12-06 05:49:33,884 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data/8646d2afc/6ff444ea5c2c4fa6a34af5330dc58195/FLAGaf6e7779a [2024-12-06 05:49:34,090 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:49:34,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-12-06 05:49:34,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data/8646d2afc/6ff444ea5c2c4fa6a34af5330dc58195/FLAGaf6e7779a [2024-12-06 05:49:34,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/data/8646d2afc/6ff444ea5c2c4fa6a34af5330dc58195 [2024-12-06 05:49:34,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:49:34,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:49:34,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:34,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:49:34,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:49:34,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d43e769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34, skipping insertion in model container [2024-12-06 05:49:34,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:49:34,621 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_5584aecd-c6d0-4f97-a7df-41c24b8c3120/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2024-12-06 05:49:34,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:34,666 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:49:34,676 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_5584aecd-c6d0-4f97-a7df-41c24b8c3120/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2024-12-06 05:49:34,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:34,707 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:49:34,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34 WrapperNode [2024-12-06 05:49:34,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:34,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:34,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:49:34,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:49:34,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,742 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-12-06 05:49:34,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:34,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:49:34,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:49:34,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:49:34,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,763 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:49:34,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:49:34,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:49:34,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:49:34,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:34" (1/1) ... [2024-12-06 05:49:34,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:34,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:49:34,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:49:34,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:49:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:49:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:49:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:49:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:49:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:49:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:49:34,917 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:49:34,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:49:35,877 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 05:49:35,877 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:49:35,956 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:49:35,956 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:49:35,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:35 BoogieIcfgContainer [2024-12-06 05:49:35,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:49:35,957 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:49:35,957 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:49:35,967 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:49:35,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:35" (1/1) ... [2024-12-06 05:49:35,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:49:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:36,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-06 05:49:36,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 05:49:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:49:36,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:36,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:36,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:49:36,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:49:36,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:49:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:36,720 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:49:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:36,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:49:36,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:50:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:50:16,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:50:19,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:50:19,893 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:50:19,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:50:19,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:19,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:50:19,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:50:19,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:50:19,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:50:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:20,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:50:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:20,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:50:20,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:50:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:50:55,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:50:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:50:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:50:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:50:55,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:55,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:50:55,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:50:55,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:50:55,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:50:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:56,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:50:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:56,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:50:56,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:51:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:51:36,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:51:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:36,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:51:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:51:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:51:36,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:36,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:36,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:36,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:36,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:51:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:36,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:51:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:36,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:51:36,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:52:15,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:52:15,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:52:15,603 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:52:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:52:15,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:15,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:15,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:15,605 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:15,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:52:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:16,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:16,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:52:16,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:52:50,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:52:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:52:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:52:50,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:52:50,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:50,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:50,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:50,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:50,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:52:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:51,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:51,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:52:51,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:53:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:53:31,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:53:31,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:31,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:53:31,018 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:53:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:53:31,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:31,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:31,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:31,021 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:31,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:53:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:31,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:31,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:53:31,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:54:15,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:54:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:54:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:54:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:54:15,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:15,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:15,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:15,944 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:15,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:54:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:16,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:16,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:54:16,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:54:58,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:54:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:54:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:54:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:54:58,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:58,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:58,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:58,763 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:58,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:54:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:59,245 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:59,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:54:59,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:39,743 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:55:39,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:55:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:40,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:55:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:55:40,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:55:40,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:40,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:40,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:40,902 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:40,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:55:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:41,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:41,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:55:41,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:56:23,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:56:23,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:56:23,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:56:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:56:23,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:23,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:23,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:23,892 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:23,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:56:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:24,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:24,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:56:24,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:57:08,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:57:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:08,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:57:08,628 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:57:08,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:57:08,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:08,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:08,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:08,630 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:08,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:57:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:09,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:09,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:57:09,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:57:53,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:57:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:57:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:57:53,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:57:53,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:53,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:53,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:53,286 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:53,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:57:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:53,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:53,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:57:53,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:58:37,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:58:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:58:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:58:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:58:37,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:37,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:37,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:37,190 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:37,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:58:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:37,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:37,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:58:37,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:59:20,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:59:20,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:20,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 05:59:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 05:59:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:59:20,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:20,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:20,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:20,750 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:20,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:59:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:21,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:21,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:59:21,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 06:00:01,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 06:00:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 06:00:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 06:00:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 06:00:01,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:01,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:01,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:01,682 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:01,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 06:00:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:02,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:02,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:00:02,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 06:00:44,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 06:00:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 06:00:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 06:00:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 06:00:44,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:44,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:44,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:44,353 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:44,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 06:00:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:44,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:44,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:00:44,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 06:01:26,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 06:01:26,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 06:01:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 06:01:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 06:01:26,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:26,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:26,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:26,887 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:26,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 06:01:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:27,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:27,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:01:27,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 06:02:13,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 06:02:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:13,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 06:02:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 06:02:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 06:02:13,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:13,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:13,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:13,782 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:13,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 06:02:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:14,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:14,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:02:14,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 06:02:58,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 06:02:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:58,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 06:02:58,330 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 06:02:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 06:02:58,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:58,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:58,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:58,332 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:58,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 06:02:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:58,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:58,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:02:58,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 06:03:45,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 06:03:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 06:03:45,725 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 06:03:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 06:03:45,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:45,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:45,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:45,728 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:45,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 06:03:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:46,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:46,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:03:46,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 06:04:33,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 06:04:33,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 06:04:33,363 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 06:04:33,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 06:04:33,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:33,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:33,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:33,365 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:33,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5584aecd-c6d0-4f97-a7df-41c24b8c3120/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 06:04:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:33,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:33,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:04:33,919 INFO L279 TraceCheckSpWp]: Computing forward predicates...