./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c --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_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/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_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/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_ea5d2797-b66e-4867-9170-53a45008ca0d/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 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:06:41,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:06:41,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:06:41,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:06:41,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:06:41,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:06:41,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:06:41,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:06:41,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:06:41,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:06:41,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:06:41,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:06:41,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:06:41,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:06:41,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:06:41,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:06:41,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:06:41,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:06:41,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:06:41,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:06:41,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:06:41,923 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:06:41,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:06:41,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:06:41,923 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:06:41,923 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:06:41,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:06:41,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:41,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:06:41,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:06:41,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:06:41,924 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:06:41,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:06:41,924 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_ea5d2797-b66e-4867-9170-53a45008ca0d/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 -> 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 [2024-12-06 01:06:42,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:06:42,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:06:42,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:06:42,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:06:42,147 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:06:42,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-12-06 01:06:44,759 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/data/4d4bad219/bed313b61f5d451a81389ef7bb049ac4/FLAG4e0ae578a [2024-12-06 01:06:44,960 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:06:44,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-12-06 01:06:44,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/data/4d4bad219/bed313b61f5d451a81389ef7bb049ac4/FLAG4e0ae578a [2024-12-06 01:06:45,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/data/4d4bad219/bed313b61f5d451a81389ef7bb049ac4 [2024-12-06 01:06:45,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:06:45,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:06:45,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:45,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:06:45,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:06:45,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1881de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45, skipping insertion in model container [2024-12-06 01:06:45,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:06:45,470 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_ea5d2797-b66e-4867-9170-53a45008ca0d/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-12-06 01:06:45,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:45,483 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:06:45,495 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_ea5d2797-b66e-4867-9170-53a45008ca0d/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-12-06 01:06:45,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:45,508 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:06:45,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45 WrapperNode [2024-12-06 01:06:45,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:45,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:45,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:06:45,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:06:45,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,536 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-06 01:06:45,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:45,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:06:45,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:06:45,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:06:45,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,547 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:06:45,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:06:45,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:06:45,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:06:45,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:45,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:06:45,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:06:45,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:06:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:06:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-12-06 01:06:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-12-06 01:06:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:06:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:06:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:06:45,661 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:06:45,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:06:45,764 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:06:45,764 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:06:45,805 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:06:45,805 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:06:45,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:45 BoogieIcfgContainer [2024-12-06 01:06:45,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:06:45,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:06:45,806 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:06:45,816 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:06:45,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:45" (1/1) ... [2024-12-06 01:06:45,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:06:45,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 01:06:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 01:06:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:06:45,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:45,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:45,967 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:06:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:46,020 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:06:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:46,042 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:06:46,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:06:46 ImpRootNode [2024-12-06 01:06:46,059 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:06:46,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:06:46,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:06:46,060 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:06:46,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:45" (3/4) ... [2024-12-06 01:06:46,063 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:06:46,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:06:46,064 INFO L158 Benchmark]: Toolchain (without parser) took 724.13ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 79.5MB in the end (delta: 37.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:06:46,065 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:46,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.09ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 106.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:06:46,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.50ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:46,066 INFO L158 Benchmark]: Boogie Preprocessor took 14.68ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.3MB in the end (delta: 586.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:46,066 INFO L158 Benchmark]: RCFGBuilder took 253.43ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 92.2MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:06:46,067 INFO L158 Benchmark]: CodeCheck took 253.13ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 79.7MB in the end (delta: 12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:46,067 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 79.5MB in the end (delta: 186.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:46,069 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 10 NumberOfCodeBlocks, 10 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: 36]: 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 shiftLeft at line 33. Possible FailurePath: [L27] int n = __VERIFIER_nondet_int(); [L28] COND FALSE !(n < 1) VAL [n=1] [L31] CALL, EXPR hanoi(n) VAL [\old(n)=1] [L19] COND TRUE n == 1 [L20] return 1; VAL [\old(n)=1, \result=1] [L31] RET, EXPR hanoi(n) VAL [n=1] [L31] unsigned result = hanoi(n); [L33] result+1>0 && result+1 == 1<0 && result+1 == 1<0 && result+1 == 1< main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/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 -> 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 [2024-12-06 01:06:48,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:06:48,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:06:48,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:06:48,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:06:48,377 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:06:48,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-12-06 01:06:51,049 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/data/a2b5c2e89/827336362337459d978d1e545fec815f/FLAG38fc3e1f5 [2024-12-06 01:06:51,221 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:06:51,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-12-06 01:06:51,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/data/a2b5c2e89/827336362337459d978d1e545fec815f/FLAG38fc3e1f5 [2024-12-06 01:06:51,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/data/a2b5c2e89/827336362337459d978d1e545fec815f [2024-12-06 01:06:51,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:06:51,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:06:51,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:51,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:06:51,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:06:51,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9fc39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51, skipping insertion in model container [2024-12-06 01:06:51,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:06:51,723 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_ea5d2797-b66e-4867-9170-53a45008ca0d/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-12-06 01:06:51,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:51,733 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:06:51,745 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_ea5d2797-b66e-4867-9170-53a45008ca0d/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-12-06 01:06:51,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:51,755 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:06:51,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51 WrapperNode [2024-12-06 01:06:51,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:51,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:51,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:06:51,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:06:51,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,776 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-12-06 01:06:51,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:51,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:06:51,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:06:51,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:06:51,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,787 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:06:51,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:06:51,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:06:51,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:06:51,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:51" (1/1) ... [2024-12-06 01:06:51,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:51,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:06:51,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:06:51,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:06:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:06:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-12-06 01:06:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-12-06 01:06:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:06:51,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:06:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:06:51,892 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:06:51,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:06:51,981 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 01:06:51,981 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:06:52,001 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:06:52,001 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:06:52,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:52 BoogieIcfgContainer [2024-12-06 01:06:52,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:06:52,002 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:06:52,002 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:06:52,009 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:06:52,010 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:52" (1/1) ... [2024-12-06 01:06:52,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:06:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 01:06:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 01:06:52,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:06:52,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:52,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:52,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:52,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:52,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:06:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:52,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:52,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:06:52,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:06:52,279 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-12-06 01:06:52,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:06:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 23 transitions. [2024-12-06 01:06:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 01:06:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:06:52,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:52,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:52,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:52,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:52,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:06:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:52,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:52,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:06:52,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:06:52,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 01:06:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 30 transitions. [2024-12-06 01:06:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-06 01:06:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:06:53,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:53,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:53,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:53,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:53,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:06:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:53,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:53,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:06:53,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 01:06:53,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:06:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 37 transitions. [2024-12-06 01:06:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-06 01:06:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 01:06:53,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:53,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:53,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:53,838 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:53,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:06:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:53,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:53,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:06:53,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:54,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:06:54,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 01:06:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 44 transitions. [2024-12-06 01:06:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-06 01:06:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 01:06:54,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:54,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:54,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:54,792 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:54,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:06:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:54,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:54,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:06:54,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 01:06:55,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:06:55,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:55,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 51 transitions. [2024-12-06 01:06:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2024-12-06 01:06:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 01:06:55,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:55,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:55,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:55,872 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:55,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:06:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:55,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:55,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 01:06:55,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:06:56,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:06:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 58 transitions. [2024-12-06 01:06:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-12-06 01:06:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:06:57,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:57,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:57,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:57,076 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:57,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:06:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:57,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:57,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:06:57,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-06 01:06:57,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:06:58,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:58,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 65 transitions. [2024-12-06 01:06:58,352 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-12-06 01:06:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 01:06:58,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:58,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:58,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:58,355 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:58,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:06:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:58,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:58,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 01:06:58,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:06:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-06 01:06:58,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:06:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 72 transitions. [2024-12-06 01:06:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2024-12-06 01:06:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 01:06:59,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:59,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:59,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:06:59,867 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:06:59,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:06:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:59,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:06:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:59,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 01:06:59,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 01:07:00,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:07:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 79 transitions. [2024-12-06 01:07:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2024-12-06 01:07:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 01:07:01,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:01,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:01,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:01,581 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:01,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:07:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:01,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:01,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 01:07:01,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:02,154 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 01:07:02,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:07:03,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 86 transitions. [2024-12-06 01:07:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2024-12-06 01:07:03,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 01:07:03,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:03,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:03,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:03,628 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:03,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:07:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:03,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:03,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 01:07:03,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-12-06 01:07:04,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:07:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 93 transitions. [2024-12-06 01:07:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2024-12-06 01:07:05,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 01:07:05,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:05,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:05,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:05,853 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:05,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:07:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:05,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:05,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 01:07:05,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-12-06 01:07:06,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:07:08,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:08,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 74 states and 100 transitions. [2024-12-06 01:07:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-12-06 01:07:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-06 01:07:08,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:08,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:08,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:08,346 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:08,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:07:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:08,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:08,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-06 01:07:08,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-12-06 01:07:09,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:07:11,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:11,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 107 transitions. [2024-12-06 01:07:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-12-06 01:07:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-06 01:07:11,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:11,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:11,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:11,134 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:11,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:07:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:11,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:11,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-06 01:07:11,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-06 01:07:11,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:07:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 84 states and 114 transitions. [2024-12-06 01:07:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2024-12-06 01:07:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 01:07:14,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:14,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:14,132 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:14,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:07:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:14,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:14,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-06 01:07:14,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-12-06 01:07:14,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:07:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 89 states and 121 transitions. [2024-12-06 01:07:17,548 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-12-06 01:07:17,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-06 01:07:17,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:17,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:17,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:17,551 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:17,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:07:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:17,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:17,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-06 01:07:17,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-12-06 01:07:18,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 01:07:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 128 transitions. [2024-12-06 01:07:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2024-12-06 01:07:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 01:07:21,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:21,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:21,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:21,045 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:21,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:07:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:21,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:21,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-06 01:07:21,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-06 01:07:22,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:07:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 135 transitions. [2024-12-06 01:07:25,111 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2024-12-06 01:07:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-06 01:07:25,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:25,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:25,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:25,114 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:25,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:07:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:25,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:25,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-12-06 01:07:25,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-12-06 01:07:26,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 01:07:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 142 transitions. [2024-12-06 01:07:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2024-12-06 01:07:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 01:07:29,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:29,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:29,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:29,395 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:29,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:07:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:29,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:29,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-12-06 01:07:29,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-12-06 01:07:30,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:07:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:33,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 149 transitions. [2024-12-06 01:07:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2024-12-06 01:07:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:07:33,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:33,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:33,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:34,000 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:34,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:07:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:34,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:34,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-06 01:07:34,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-12-06 01:07:35,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:07:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 156 transitions. [2024-12-06 01:07:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 156 transitions. [2024-12-06 01:07:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-06 01:07:38,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:38,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:38,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:38,674 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:38,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:07:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:38,774 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:38,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-12-06 01:07:38,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-06 01:07:39,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 01:07:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 119 states and 163 transitions. [2024-12-06 01:07:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2024-12-06 01:07:43,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-06 01:07:43,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:43,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:43,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:43,980 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:43,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 01:07:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:44,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:44,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-12-06 01:07:44,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-12-06 01:07:45,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 01:07:49,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:49,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 170 transitions. [2024-12-06 01:07:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 170 transitions. [2024-12-06 01:07:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-06 01:07:49,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:49,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:49,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:49,490 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:49,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 01:07:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:49,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:49,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-12-06 01:07:49,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2024-12-06 01:07:50,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 01:07:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:55,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 129 states and 177 transitions. [2024-12-06 01:07:55,411 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2024-12-06 01:07:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-06 01:07:55,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:55,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:55,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:55,414 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:55,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 01:07:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:55,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:55,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-12-06 01:07:55,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-12-06 01:07:56,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 01:08:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 184 transitions. [2024-12-06 01:08:02,066 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2024-12-06 01:08:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-06 01:08:02,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:02,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:02,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:02,068 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:02,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 01:08:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:02,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:02,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-12-06 01:08:02,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-12-06 01:08:03,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 01:08:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 191 transitions. [2024-12-06 01:08:08,826 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 191 transitions. [2024-12-06 01:08:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-06 01:08:08,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:08,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:08,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:08,829 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:08,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 01:08:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:08,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:09,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-12-06 01:08:09,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-12-06 01:08:10,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 01:08:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 198 transitions. [2024-12-06 01:08:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2024-12-06 01:08:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-06 01:08:16,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:16,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:16,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:16,333 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:16,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 01:08:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:16,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:16,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-12-06 01:08:16,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-12-06 01:08:17,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 01:08:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 205 transitions. [2024-12-06 01:08:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2024-12-06 01:08:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-06 01:08:23,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:23,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:23,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:23,856 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:23,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 01:08:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:24,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:24,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 116 conjuncts are in the unsatisfiable core [2024-12-06 01:08:24,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-12-06 01:08:25,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 01:08:31,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 154 states and 212 transitions. [2024-12-06 01:08:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 212 transitions. [2024-12-06 01:08:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-06 01:08:31,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:31,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:31,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:31,728 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:31,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 01:08:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:31,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:31,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 120 conjuncts are in the unsatisfiable core [2024-12-06 01:08:31,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 1190 trivial. 0 not checked. [2024-12-06 01:08:33,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 01:08:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 159 states and 219 transitions. [2024-12-06 01:08:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2024-12-06 01:08:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-06 01:08:40,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:40,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:40,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:40,578 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:40,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 01:08:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:40,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:40,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-12-06 01:08:40,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2024-12-06 01:08:42,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 01:08:49,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:49,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 164 states and 226 transitions. [2024-12-06 01:08:49,799 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 226 transitions. [2024-12-06 01:08:49,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-06 01:08:49,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:49,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:49,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:49,802 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:49,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 01:08:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:49,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:50,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-12-06 01:08:50,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2024-12-06 01:08:51,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 01:08:58,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 233 transitions. [2024-12-06 01:08:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2024-12-06 01:08:59,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-12-06 01:08:59,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:59,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:59,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:59,002 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:59,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 01:08:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:08:59,176 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:08:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:08:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:08:59,443 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:08:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:08:59,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 01:08:59,525 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2024-12-06 01:08:59,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:08:59 ImpRootNode [2024-12-06 01:08:59,565 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:08:59,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:08:59,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:08:59,565 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:08:59,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:52" (3/4) ... [2024-12-06 01:08:59,567 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:08:59,614 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 99. [2024-12-06 01:08:59,689 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:08:59,689 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5d2797-b66e-4867-9170-53a45008ca0d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:08:59,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:08:59,690 INFO L158 Benchmark]: Toolchain (without parser) took 128088.00ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 70.3MB in the beginning and 101.3MB in the end (delta: -31.0MB). Peak memory consumption was 141.7MB. Max. memory is 16.1GB. [2024-12-06 01:08:59,690 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:08:59,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.49ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 59.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:08:59,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.42ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 58.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:08:59,691 INFO L158 Benchmark]: Boogie Preprocessor took 15.07ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 57.3MB in the end (delta: 749.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:08:59,691 INFO L158 Benchmark]: RCFGBuilder took 208.98ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 46.9MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:08:59,691 INFO L158 Benchmark]: CodeCheck took 127562.33ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 46.8MB in the beginning and 109.4MB in the end (delta: -62.6MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. [2024-12-06 01:08:59,691 INFO L158 Benchmark]: Witness Printer took 123.76ms. Allocated memory is still 268.4MB. Free memory was 109.4MB in the beginning and 101.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:08:59,693 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 127.5s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1718 SdHoareTripleChecker+Valid, 69.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1052 mSDsluCounter, 2323 SdHoareTripleChecker+Invalid, 61.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1922 mSDsCounter, 20336 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28421 IncrementalHoareTripleChecker+Invalid, 48757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20336 mSolverCounterUnsat, 401 mSDtfsCounter, 28421 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24937 GetRequests, 23084 SyntacticMatches, 1365 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111716 ImplicationChecksByTransitivity, 107.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 25.3s InterpolantComputationTime, 3296 NumberOfCodeBlocks, 3296 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 3069 ConstructedInterpolants, 0 QuantifiedInterpolants, 14198 SizeOfPredicates, 465 NumberOfNonLiveVariables, 4464 ConjunctsInSsa, 2108 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 14415/28830 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 - CounterExampleResult [Line: 36]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] int n = __VERIFIER_nondet_int(); [L28] COND FALSE !(n < 1) VAL [n=32] [L31] CALL, EXPR hanoi(n) VAL [\old(n)=32] [L19] COND FALSE !(n == 1) VAL [\old(n)=32, n=32] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=31] [L19] COND FALSE !(n == 1) VAL [\old(n)=31, n=31] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=30] [L19] COND FALSE !(n == 1) VAL [\old(n)=30, n=30] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=29] [L19] COND FALSE !(n == 1) VAL [\old(n)=29, n=29] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=28] [L19] COND FALSE !(n == 1) VAL [\old(n)=28, n=28] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=27] [L19] COND FALSE !(n == 1) VAL [\old(n)=27, n=27] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=26] [L19] COND FALSE !(n == 1) VAL [\old(n)=26, n=26] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=25] [L19] COND FALSE !(n == 1) VAL [\old(n)=25, n=25] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=24] [L19] COND FALSE !(n == 1) VAL [\old(n)=24, n=24] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=23] [L19] COND FALSE !(n == 1) VAL [\old(n)=23, n=23] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=22] [L19] COND FALSE !(n == 1) VAL [\old(n)=22, n=22] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=21] [L19] COND FALSE !(n == 1) VAL [\old(n)=21, n=21] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=20] [L19] COND FALSE !(n == 1) VAL [\old(n)=20, n=20] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=19] [L19] COND FALSE !(n == 1) VAL [\old(n)=19, n=19] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=18] [L19] COND FALSE !(n == 1) VAL [\old(n)=18, n=18] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=17] [L19] COND FALSE !(n == 1) VAL [\old(n)=17, n=17] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=16] [L19] COND FALSE !(n == 1) VAL [\old(n)=16, n=16] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=15] [L19] COND FALSE !(n == 1) VAL [\old(n)=15, n=15] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=14] [L19] COND FALSE !(n == 1) VAL [\old(n)=14, n=14] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=13] [L19] COND FALSE !(n == 1) VAL [\old(n)=13, n=13] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=12] [L19] COND FALSE !(n == 1) VAL [\old(n)=12, n=12] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=11] [L19] COND FALSE !(n == 1) VAL [\old(n)=11, n=11] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=10] [L19] COND FALSE !(n == 1) VAL [\old(n)=10, n=10] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=9] [L19] COND FALSE !(n == 1) VAL [\old(n)=9, n=9] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=8] [L19] COND FALSE !(n == 1) VAL [\old(n)=8, n=8] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=7] [L19] COND FALSE !(n == 1) VAL [\old(n)=7, n=7] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=6] [L19] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=5] [L19] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=4] [L19] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=3] [L19] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=2] [L19] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=1] [L19] COND TRUE n == 1 [L20] return 1; VAL [\old(n)=1, \result=1] [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=2, n=2] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=3, n=3] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=4, n=4] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=5, n=5] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=6, n=6] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=7, n=7] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=8, n=8] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=9, n=9] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=10, n=10] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=11, n=11] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=12, n=12] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=13, n=13] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=14, n=14] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=15, n=15] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=16, n=16] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=17, n=17] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=18, n=18] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=19, n=19] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=20, n=20] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=21, n=21] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=22, n=22] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=23, n=23] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=24, n=24] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=25, n=25] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=26, n=26] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=27, n=27] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=28, n=28] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=29, n=29] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=30, n=30] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=31, n=31] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=32, n=32] [L22] return 2 * (hanoi(n-1)) + 1; [L31] RET, EXPR hanoi(n) VAL [n=32] [L31] unsigned result = hanoi(n); [L33] COND FALSE !(result+1>0 && result+1 == 1<