./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:16:00,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:16:01,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:16:01,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:16:01,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:16:01,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:16:01,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:16:01,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:16:01,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:16:01,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:16:01,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:16:01,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:16:01,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:16:01,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:16:01,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:16:01,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:16:01,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:16:01,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:16:01,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:16:01,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:16:01,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:16:01,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:16:01,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:16:01,052 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:16:01,052 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:16:01,052 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:16:01,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:16:01,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:01,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:16:01,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:16:01,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:16:01,052 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:16:01,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:16:01,053 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_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 [2024-11-13 21:16:01,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:16:01,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:16:01,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:16:01,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:16:01,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:16:01,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c Unable to find full path for "g++" [2024-11-13 21:16:03,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:16:03,648 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:16:03,649 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-11-13 21:16:03,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/data/c54ad41f0/6ab9fb74a49d4441984215a1db27193c/FLAG43532a946 [2024-11-13 21:16:03,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/data/c54ad41f0/6ab9fb74a49d4441984215a1db27193c [2024-11-13 21:16:03,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:16:03,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:16:03,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:03,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:16:03,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:16:03,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d552525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03, skipping insertion in model container [2024-11-13 21:16:03,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:16:03,848 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_6a755566-e068-4ec9-8948-c48d660adcf5/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-11-13 21:16:03,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:03,864 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:16:03,877 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_6a755566-e068-4ec9-8948-c48d660adcf5/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-11-13 21:16:03,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:03,891 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:16:03,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03 WrapperNode [2024-11-13 21:16:03,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:03,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:03,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:16:03,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:16:03,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,921 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-13 21:16:03,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:03,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:16:03,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:16:03,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:16:03,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:16:03,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:16:03,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:16:03,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:16:03,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:03" (1/1) ... [2024-11-13 21:16:03,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:03,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:16:03,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:16:03,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:16:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:16:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-13 21:16:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-13 21:16:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:16:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:16:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:16:04,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:16:04,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:16:04,182 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 21:16:04,182 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:16:04,241 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:16:04,241 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:16:04,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:04 BoogieIcfgContainer [2024-11-13 21:16:04,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:16:04,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:16:04,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:16:04,254 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:16:04,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:16:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:04,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:16:04,330 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:16:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:16:04,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:04,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:16:04,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:16:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:16:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:16:04,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:16:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:16:04,570 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:16:04,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:16:04 ImpRootNode [2024-11-13 21:16:04,594 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:16:04,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:16:04,594 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:16:04,595 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:16:04,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:04" (3/4) ... [2024-11-13 21:16:04,600 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:16:04,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:16:04,604 INFO L158 Benchmark]: Toolchain (without parser) took 929.46ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 56.2MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:16:04,605 INFO L158 Benchmark]: CDTParser took 1.89ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:04,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.73ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.0MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:16:04,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.67ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:04,606 INFO L158 Benchmark]: Boogie Preprocessor took 14.85ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.3MB in the end (delta: 651.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:04,608 INFO L158 Benchmark]: RCFGBuilder took 304.74ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 69.0MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:16:04,608 INFO L158 Benchmark]: CodeCheck took 351.19ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 56.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:16:04,609 INFO L158 Benchmark]: Witness Printer took 8.94ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 56.2MB in the end (delta: 233.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:04,612 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: 0.3s, 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 - 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_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 [2024-11-13 21:16:07,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:16:07,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:16:07,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:16:07,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:16:07,895 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:16:07,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c Unable to find full path for "g++" [2024-11-13 21:16:09,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:16:10,081 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:16:10,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-11-13 21:16:10,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/data/d96babe04/eb877d7f5e374e789434a59389a08f41/FLAG08473ac9f [2024-11-13 21:16:10,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/data/d96babe04/eb877d7f5e374e789434a59389a08f41 [2024-11-13 21:16:10,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:16:10,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:16:10,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:10,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:16:10,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:16:10,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786144e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10, skipping insertion in model container [2024-11-13 21:16:10,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:16:10,340 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_6a755566-e068-4ec9-8948-c48d660adcf5/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-11-13 21:16:10,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:10,364 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:16:10,384 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_6a755566-e068-4ec9-8948-c48d660adcf5/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-11-13 21:16:10,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:10,402 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:16:10,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10 WrapperNode [2024-11-13 21:16:10,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:10,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:10,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:16:10,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:16:10,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,440 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-13 21:16:10,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:10,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:16:10,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:16:10,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:16:10,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:16:10,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:16:10,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:16:10,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:16:10,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:10,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:16:10,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:16:10,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:16:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:16:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-13 21:16:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-13 21:16:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:16:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:16:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:16:10,602 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:16:10,604 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:16:10,743 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 21:16:10,743 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:16:10,766 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:16:10,767 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:16:10,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:10 BoogieIcfgContainer [2024-11-13 21:16:10,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:16:10,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:16:10,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:16:10,778 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:16:10,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:10" (1/1) ... [2024-11-13 21:16:10,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:16:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:16:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:16:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:16:10,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:10,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:10,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:10,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:10,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:16:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:10,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:10,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:16:10,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:11,214 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:16:11,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:16:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 23 transitions. [2024-11-13 21:16:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 21:16:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:16:11,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:11,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:11,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:11,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:11,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:16:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:11,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:11,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:16:11,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:16:11,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:16:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 30 transitions. [2024-11-13 21:16:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-13 21:16:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:16:12,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:12,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:12,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:12,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:12,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:16:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:12,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:12,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:16:12,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:16:12,711 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:16:12,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:16:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 37 transitions. [2024-11-13 21:16:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 21:16:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:16:13,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:13,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:13,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:13,439 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:13,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:16:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:13,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:13,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:16:13,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:13,875 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:16:13,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:16:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 44 transitions. [2024-11-13 21:16:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-13 21:16:14,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:16:14,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:14,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:14,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:14,750 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:14,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:16:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:14,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:14,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:16:14,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 21:16:15,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:16:16,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 51 transitions. [2024-11-13 21:16:16,311 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2024-11-13 21:16:16,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:16:16,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:16,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:16,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:16,314 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:16,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:16:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:16,415 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:16,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:16:16,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:16:16,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:16:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 58 transitions. [2024-11-13 21:16:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-11-13 21:16:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:16:18,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:18,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:18,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:18,083 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:18,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:16:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:18,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:18,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:16:18,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-13 21:16:18,717 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:16:18,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:16:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:20,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 65 transitions. [2024-11-13 21:16:20,037 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-11-13 21:16:20,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:16:20,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:20,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:20,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:20,043 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:20,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:16:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:20,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:20,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:16:20,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:20,655 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-13 21:16:20,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:16:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 72 transitions. [2024-11-13 21:16:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2024-11-13 21:16:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 21:16:22,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:22,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:22,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:22,119 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:22,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:16:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:22,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:22,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 21:16:22,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:22,836 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 21:16:22,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 21:16:24,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:24,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 79 transitions. [2024-11-13 21:16:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2024-11-13 21:16:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 21:16:24,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:24,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:24,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:24,487 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:24,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:16:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:24,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:24,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:16:24,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-13 21:16:25,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:16:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 86 transitions. [2024-11-13 21:16:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2024-11-13 21:16:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 21:16:27,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:27,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:27,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:27,127 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:27,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:16:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:27,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:27,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 21:16:27,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-13 21:16:27,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:16:30,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:30,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 93 transitions. [2024-11-13 21:16:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2024-11-13 21:16:30,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 21:16:30,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:30,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:30,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:30,120 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:30,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:16:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:30,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:30,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 21:16:30,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:31,023 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-13 21:16:31,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:16:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 74 states and 100 transitions. [2024-11-13 21:16:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-11-13 21:16:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 21:16:33,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:33,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:33,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:33,374 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:33,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:16:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:33,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:33,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-13 21:16:33,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 21:16:34,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 21:16:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 107 transitions. [2024-11-13 21:16:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-11-13 21:16:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 21:16:36,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:36,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:36,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:36,875 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:36,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:16:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:36,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:37,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-13 21:16:37,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-13 21:16:37,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 21:16:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 84 states and 114 transitions. [2024-11-13 21:16:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2024-11-13 21:16:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 21:16:40,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:40,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:40,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:40,976 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:40,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:16:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:41,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:41,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 21:16:41,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-13 21:16:42,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:16:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 89 states and 121 transitions. [2024-11-13 21:16:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-11-13 21:16:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 21:16:45,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:45,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:45,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:45,180 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:45,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:16:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:45,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:45,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-13 21:16:45,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-13 21:16:46,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:16:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 128 transitions. [2024-11-13 21:16:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2024-11-13 21:16:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 21:16:49,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:49,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:50,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:50,003 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:50,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:16:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:50,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:50,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-13 21:16:50,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-13 21:16:51,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 21:16:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 135 transitions. [2024-11-13 21:16:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2024-11-13 21:16:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-13 21:16:54,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:54,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:54,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:54,980 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:54,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:16:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:55,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:55,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-13 21:16:55,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-13 21:16:56,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:17:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:00,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 142 transitions. [2024-11-13 21:17:00,428 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2024-11-13 21:17:00,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 21:17:00,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:00,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:00,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:00,433 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:00,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:17:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:00,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:00,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-13 21:17:00,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-13 21:17:01,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:17:06,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 149 transitions. [2024-11-13 21:17:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2024-11-13 21:17:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 21:17:06,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:06,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:06,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:06,107 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:06,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:17:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:06,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:06,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-13 21:17:06,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-11-13 21:17:07,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 21:17:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:12,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 156 transitions. [2024-11-13 21:17:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 156 transitions. [2024-11-13 21:17:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 21:17:12,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:12,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:12,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:12,358 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:12,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:17:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:12,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:12,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-13 21:17:12,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-13 21:17:13,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:17:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 119 states and 163 transitions. [2024-11-13 21:17:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2024-11-13 21:17:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-13 21:17:18,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:18,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:18,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:18,941 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:18,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:17:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:19,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:19,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-13 21:17:19,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-13 21:17:20,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 21:17:26,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:26,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 170 transitions. [2024-11-13 21:17:26,094 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 170 transitions. [2024-11-13 21:17:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 21:17:26,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:26,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:26,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:26,098 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:26,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:17:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:26,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:26,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-13 21:17:26,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2024-11-13 21:17:27,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:17:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 129 states and 177 transitions. [2024-11-13 21:17:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2024-11-13 21:17:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 21:17:33,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:33,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:33,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:33,674 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:33,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:17:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:33,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:33,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-13 21:17:33,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:35,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-13 21:17:35,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 21:17:41,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:41,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 184 transitions. [2024-11-13 21:17:41,808 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2024-11-13 21:17:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-13 21:17:41,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:41,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:41,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:41,814 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:41,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:17:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:41,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:42,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-13 21:17:42,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-11-13 21:17:43,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 21:17:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 191 transitions. [2024-11-13 21:17:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 191 transitions. [2024-11-13 21:17:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 21:17:50,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:50,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:50,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:50,299 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:50,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:17:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:50,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:50,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-11-13 21:17:50,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:52,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-11-13 21:17:52,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 21:17:59,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 198 transitions. [2024-11-13 21:17:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2024-11-13 21:17:59,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 21:17:59,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:59,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:59,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:59,215 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:59,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:17:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:59,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:59,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-11-13 21:17:59,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-11-13 21:18:01,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:18:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:08,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 205 transitions. [2024-11-13 21:18:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2024-11-13 21:18:08,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-13 21:18:08,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:08,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:08,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:08,894 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:08,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:18:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:09,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:18:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:09,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 116 conjuncts are in the unsatisfiable core [2024-11-13 21:18:09,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-13 21:18:11,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:18:18,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 154 states and 212 transitions. [2024-11-13 21:18:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 212 transitions. [2024-11-13 21:18:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 21:18:19,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:19,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:19,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:19,007 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:19,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:18:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:19,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:18:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:19,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 120 conjuncts are in the unsatisfiable core [2024-11-13 21:18:19,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 1190 trivial. 0 not checked. [2024-11-13 21:18:21,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 21:18:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 159 states and 219 transitions. [2024-11-13 21:18:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2024-11-13 21:18:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-13 21:18:29,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:29,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:29,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:29,716 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:29,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:18:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:29,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:18:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:29,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-11-13 21:18:29,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:32,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2024-11-13 21:18:32,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-13 21:18:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 164 states and 226 transitions. [2024-11-13 21:18:41,004 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 226 transitions. [2024-11-13 21:18:41,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 21:18:41,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:41,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:41,008 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:41,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:18:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:41,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:18:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:41,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-13 21:18:41,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2024-11-13 21:18:43,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-13 21:18:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 233 transitions. [2024-11-13 21:18:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2024-11-13 21:18:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-13 21:18:52,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:52,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:52,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:52,735 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:52,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:18:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:52,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:53,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:53,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:18:53,393 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2024-11-13 21:18:53,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:18:53 ImpRootNode [2024-11-13 21:18:53,437 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:18:53,438 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:18:53,438 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:18:53,438 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:18:53,439 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:10" (3/4) ... [2024-11-13 21:18:53,440 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:18:53,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a755566-e068-4ec9-8948-c48d660adcf5/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:18:53,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:18:53,504 INFO L158 Benchmark]: Toolchain (without parser) took 163363.09ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 94.9MB in the beginning and 141.4MB in the end (delta: -46.4MB). Peak memory consumption was 224.5MB. Max. memory is 16.1GB. [2024-11-13 21:18:53,504 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:53,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.21ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 83.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:18:53,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.72ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:53,505 INFO L158 Benchmark]: Boogie Preprocessor took 26.21ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 82.0MB in the end (delta: 716.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:53,505 INFO L158 Benchmark]: RCFGBuilder took 298.51ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 71.1MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:18:53,505 INFO L158 Benchmark]: CodeCheck took 162668.82ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 71.1MB in the beginning and 144.3MB in the end (delta: -73.1MB). Peak memory consumption was 199.3MB. Max. memory is 16.1GB. [2024-11-13 21:18:53,506 INFO L158 Benchmark]: Witness Printer took 65.10ms. Allocated memory is still 394.3MB. Free memory was 144.3MB in the beginning and 141.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:53,507 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: 162.6s, 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, 93.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1052 mSDsluCounter, 2323 SdHoareTripleChecker+Invalid, 83.0s 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, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24937 GetRequests, 23084 SyntacticMatches, 1365 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111716 ImplicationChecksByTransitivity, 135.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 33.7s 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 - 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<