./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i --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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/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 bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:10:02,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:10:02,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:10:02,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:10:02,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:10:02,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:10:02,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:10:02,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:10:02,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:10:02,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:10:02,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:10:02,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:10:02,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:10:02,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:10:02,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:10:02,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:10:02,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:10:02,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:10:02,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:10:02,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:10:02,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:10:02,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:10:02,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:10:02,213 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:10:02,213 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:10:02,214 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:10:02,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:10:02,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:02,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:10:02,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:10:02,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:10:02,215 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:10:02,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:10:02,215 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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/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 -> bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd [2024-11-13 23:10:02,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:10:02,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:10:02,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:10:02,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:10:02,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:10:02,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i Unable to find full path for "g++" [2024-11-13 23:10:04,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:10:05,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:10:05,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-11-13 23:10:05,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/data/c3fd3b6fd/1b6d7b541b8745509498917e0c7be80a/FLAG0b0966c65 [2024-11-13 23:10:05,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/data/c3fd3b6fd/1b6d7b541b8745509498917e0c7be80a [2024-11-13 23:10:05,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:10:05,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:10:05,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:05,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:10:05,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:10:05,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62940389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05, skipping insertion in model container [2024-11-13 23:10:05,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:10:05,667 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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-11-13 23:10:05,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:05,726 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:10:05,737 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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-11-13 23:10:05,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:05,773 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:10:05,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05 WrapperNode [2024-11-13 23:10:05,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:05,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:05,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:10:05,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:10:05,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,813 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-13 23:10:05,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:05,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:10:05,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:10:05,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:10:05,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:10:05,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:10:05,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:10:05,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:10:05,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:05" (1/1) ... [2024-11-13 23:10:05,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:05,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:10:05,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:10:05,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:10:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:10:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:10:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:10:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:10:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:10:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:10:06,034 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:10:06,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:10:06,316 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 23:10:06,316 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:10:06,536 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:10:06,536 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:10:06,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:06 BoogieIcfgContainer [2024-11-13 23:10:06,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:10:06,538 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:10:06,538 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:10:06,549 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:10:06,550 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:06" (1/1) ... [2024-11-13 23:10:06,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:10:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 23:10:06,615 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 23:10:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:06,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:06,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:10:06,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:10:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:10:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:10:07,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:10:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:10:07,340 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:10:07,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:10:07 ImpRootNode [2024-11-13 23:10:07,420 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:10:07,421 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:10:07,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:10:07,421 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:10:07,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:06" (3/4) ... [2024-11-13 23:10:07,424 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:10:07,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:10:07,428 INFO L158 Benchmark]: Toolchain (without parser) took 1931.47ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 64.5MB in the end (delta: 27.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-13 23:10:07,430 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:07,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.18ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:10:07,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.20ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:10:07,434 INFO L158 Benchmark]: Boogie Preprocessor took 24.41ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 77.0MB in the end (delta: 815.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:07,435 INFO L158 Benchmark]: RCFGBuilder took 697.57ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 49.0MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:10:07,435 INFO L158 Benchmark]: CodeCheck took 882.00ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 64.5MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:07,436 INFO L158 Benchmark]: Witness Printer took 6.86ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:07,438 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of bitwiseOr at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; [L84] isInitial = 1 [L85] FCALL initially() [L86] COND TRUE 1 [L87] FCALL updateLastVariables() [L88] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=2147483648] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=2147483648] [L88] RET updateVariables() [L89] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 [L40] COND FALSE !((- (var_1_17 + var_1_17)) > var_1_17) [L43] var_1_16 = var_1_19 [L44] EXPR var_1_16 | var_1_19 [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 [L89] RET step() [L90] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L90] RET, EXPR property() [L90] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=2, var_1_18=2, var_1_19=2147483648, var_1_1=-127, var_1_20=2147483648] [L19] reach_error() VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=2, var_1_18=2, var_1_19=2147483648, var_1_1=-127, var_1_20=2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.18ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.20ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.41ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 77.0MB in the end (delta: 815.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 697.57ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 49.0MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 882.00ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 64.5MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.86ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:10:07,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/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 bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:10:10,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:10:10,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:10:10,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:10:10,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:10:10,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:10:10,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:10:10,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:10:10,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:10:10,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:10:10,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:10:10,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:10:10,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:10:10,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:10:10,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:10:10,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:10:10,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:10:10,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:10:10,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:10:10,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:10:10,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:10:10,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:10:10,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:10:10,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:10:10,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:10:10,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:10:10,772 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:10,772 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:10:10,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:10:10,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:10,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:10:10,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:10:10,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:10:10,773 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:10:10,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:10,773 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:10:10,773 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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/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 -> bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd [2024-11-13 23:10:11,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:10:11,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:10:11,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:10:11,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:10:11,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:10:11,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i Unable to find full path for "g++" [2024-11-13 23:10:13,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:10:13,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:10:13,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-11-13 23:10:13,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/data/cbcd0309f/ca387ea3cba24b28a0fc38b683c384dd/FLAG40e9b42a9 [2024-11-13 23:10:13,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/data/cbcd0309f/ca387ea3cba24b28a0fc38b683c384dd [2024-11-13 23:10:13,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:10:13,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:10:13,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:13,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:10:13,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:10:13,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:13" (1/1) ... [2024-11-13 23:10:13,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86a6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:13, skipping insertion in model container [2024-11-13 23:10:13,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:13" (1/1) ... [2024-11-13 23:10:13,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:10:14,059 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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-11-13 23:10:14,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:14,152 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:10:14,172 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_fe946496-65fe-4bda-9be6-b8ae1c3660a0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-11-13 23:10:14,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:14,246 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:10:14,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14 WrapperNode [2024-11-13 23:10:14,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:14,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:14,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:10:14,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:10:14,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,306 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-13 23:10:14,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:14,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:10:14,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:10:14,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:10:14,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:10:14,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:10:14,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:10:14,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:10:14,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:14" (1/1) ... [2024-11-13 23:10:14,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:14,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:10:14,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:10:14,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:10:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:10:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:10:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:10:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:10:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:10:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:10:14,573 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:10:14,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:10:15,031 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 23:10:15,032 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:10:15,211 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:10:15,213 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:10:15,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:15 BoogieIcfgContainer [2024-11-13 23:10:15,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:10:15,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:10:15,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:10:15,230 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:10:15,230 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:15" (1/1) ... [2024-11-13 23:10:15,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:10:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 23:10:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 23:10:15,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:15,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:15,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:15,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:15,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:15,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:10:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:15,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:15,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:15,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:20,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:10:21,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2024-11-13 23:10:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2024-11-13 23:10:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:21,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:21,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:21,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:21,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:21,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:10:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:22,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:22,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:10:22,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:26,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:10:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 23:10:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 23:10:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:27,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:27,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:27,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:27,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:27,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:10:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:28,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:28,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:28,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:30,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:10:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 23:10:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 23:10:30,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:30,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:30,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:30,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:30,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:30,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:10:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:31,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:31,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:31,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:33,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:10:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 23:10:34,051 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 23:10:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:34,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:34,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:34,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:34,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:34,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:10:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:34,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:34,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:34,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:36,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:10:36,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 23:10:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 23:10:36,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:36,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:36,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:36,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:36,531 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:36,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:10:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:36,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:36,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:36,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:39,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 23:10:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 23:10:39,979 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 23:10:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:39,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:39,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:39,987 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:39,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:10:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:40,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:40,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:10:40,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:10:43,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 23:10:44,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-11-13 23:10:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-11-13 23:10:44,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:44,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:44,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:44,999 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:45,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:10:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:45,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:45,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:10:45,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:47,164 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:47,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 23:10:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-11-13 23:10:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-11-13 23:10:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:47,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:47,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:47,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:47,642 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:47,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:10:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:47,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:48,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:48,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:50,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 23:10:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-11-13 23:10:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-11-13 23:10:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:50,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:50,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:50,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:50,267 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:50,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:10:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:50,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:50,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:10:50,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:10:53,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 23:10:53,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-11-13 23:10:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-11-13 23:10:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:53,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:53,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:53,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:53,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:53,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:10:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:54,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:54,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:10:54,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:56,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 23:10:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-11-13 23:10:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-11-13 23:10:56,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:56,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:56,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:56,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:56,304 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:56,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:10:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:56,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:56,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:10:56,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:10:58,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 23:10:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:58,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-11-13 23:10:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-11-13 23:10:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:10:58,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:58,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:58,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:58,826 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:58,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:10:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:59,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:59,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:10:59,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:00,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 23:11:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-11-13 23:11:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-11-13 23:11:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:01,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:01,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:01,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:01,215 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:01,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:11:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:01,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:01,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:01,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:03,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 23:11:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-11-13 23:11:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-11-13 23:11:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:03,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:03,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:03,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:03,502 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:03,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:11:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:03,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:03,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:03,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:05,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 23:11:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:07,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:07,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:07,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:07,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:07,750 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:07,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:11:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:08,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:08,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:08,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:09,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 23:11:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:10,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:10,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:10,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:10,296 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:10,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:11:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:10,606 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:10,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:10,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:12,537 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:12,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 23:11:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:12,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:12,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:12,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:12,562 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:12,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:11:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:12,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:12,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:12,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:14,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 23:11:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:14,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:14,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:14,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:14,949 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:14,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:11:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:15,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:15,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:11:15,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:11:17,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 23:11:17,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:17,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:17,379 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:17,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:17,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:17,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:17,382 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:17,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:11:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:17,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:17,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:11:17,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:11:19,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 23:11:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:19,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:19,402 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:19,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:19,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:19,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:19,406 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:19,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:11:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:19,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:19,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:19,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:21,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 23:11:21,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:21,599 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:21,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:21,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:21,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:21,602 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:21,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:11:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:21,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:21,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:11:21,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:23,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 23:11:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:23,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:23,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:23,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:23,882 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:23,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:11:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:24,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:24,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:24,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:26,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 23:11:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:26,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:26,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:26,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:26,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:26,112 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:26,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:11:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:26,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:26,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:11:26,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:11:28,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 23:11:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:28,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:28,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:28,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:28,796 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:28,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:11:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:29,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:29,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:29,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:32,164 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:32,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 23:11:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:32,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:32,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:32,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:32,260 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:32,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:11:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:32,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:32,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:11:32,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:11:34,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 23:11:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:34,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:34,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:34,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:34,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:34,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:34,836 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:34,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:11:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:35,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:35,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:35,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:37,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 23:11:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:37,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:37,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:37,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:37,294 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:37,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:11:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:37,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:37,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:11:37,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:39,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 23:11:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:40,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:40,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:40,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:40,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:40,077 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:40,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:11:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:40,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:40,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:11:40,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:42,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 23:11:42,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:42,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:42,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:42,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:42,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:42,964 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:42,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 23:11:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:43,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:43,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:43,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:45,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-13 23:11:45,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:45,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:45,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:45,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:45,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:45,854 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:45,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 23:11:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:46,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:46,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:11:46,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:11:47,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 23:11:48,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 68 states and 164 transitions. [2024-11-13 23:11:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 164 transitions. [2024-11-13 23:11:48,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:48,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:48,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:48,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:48,008 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:48,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 23:11:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:48,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:48,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:11:48,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:11:50,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-13 23:11:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 70 states and 181 transitions. [2024-11-13 23:11:53,153 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2024-11-13 23:11:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:53,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:53,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:53,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:53,156 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:53,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 23:11:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:53,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:53,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:11:53,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:11:55,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-13 23:11:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 70 states and 181 transitions. [2024-11-13 23:11:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2024-11-13 23:11:55,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:55,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:55,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:55,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:55,524 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:55,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 23:11:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:55,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:55,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:11:55,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:11:57,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-13 23:11:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 70 states and 181 transitions. [2024-11-13 23:11:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2024-11-13 23:11:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:11:57,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:57,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:57,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:57,598 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:57,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 23:11:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:57,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:58,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:11:58,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:12:00,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 23:12:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 70 states and 181 transitions. [2024-11-13 23:12:00,152 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2024-11-13 23:12:00,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:00,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:00,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:00,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:00,156 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:00,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 23:12:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:00,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:00,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:00,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:02,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:02,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 70 states and 181 transitions. [2024-11-13 23:12:02,785 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2024-11-13 23:12:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:02,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:02,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:02,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:02,787 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:02,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 23:12:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:03,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:03,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:12:03,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:04,807 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:04,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 23:12:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:05,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 70 states and 181 transitions. [2024-11-13 23:12:05,036 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2024-11-13 23:12:05,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:05,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:05,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:05,042 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:05,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 23:12:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:05,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:05,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:05,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:07,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 23:12:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:07,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 70 states and 181 transitions. [2024-11-13 23:12:07,714 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2024-11-13 23:12:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:07,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:07,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:07,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:07,717 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:07,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 23:12:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:08,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:08,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:12:08,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:12:10,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 23:12:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:11,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:11,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:11,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:11,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:11,871 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:11,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 23:12:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:12,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:12,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:12:12,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:13,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 23:12:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:14,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:14,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:14,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:14,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:14,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:14,030 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:14,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 23:12:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:14,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:14,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:12:14,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:16,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 23:12:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:16,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:16,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:16,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:16,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:16,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:16,583 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:16,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 23:12:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:16,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:16,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:16,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:18,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:18,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:18,880 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:18,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:18,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:18,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:18,883 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:18,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 23:12:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:19,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:19,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:12:19,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:20,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:21,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:21,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:21,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:21,318 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:21,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 23:12:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:21,605 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:21,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:21,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:23,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:23,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:23,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:23,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:23,487 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:23,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 23:12:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:23,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:24,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:12:24,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:25,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 23:12:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:26,030 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:26,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:26,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:26,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:26,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:26,033 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:26,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 23:12:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:26,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:26,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:26,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:28,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 23:12:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:28,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:28,436 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:28,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:28,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:28,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:28,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:28,440 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:28,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 23:12:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:28,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:28,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:28,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:30,960 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:30,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 23:12:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:30,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:30,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:31,002 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:31,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 23:12:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:31,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:31,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:12:31,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:33,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:33,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:33,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:33,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:33,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:33,700 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:33,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 23:12:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:34,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:34,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:12:34,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:35,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 23:12:36,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:36,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:36,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:36,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:36,047 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:36,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 23:12:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:36,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:36,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:36,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:38,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 23:12:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:38,177 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:38,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:38,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:38,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:38,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:38,179 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:38,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 23:12:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:38,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:38,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:38,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:40,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:40,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:40,490 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:40,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:40,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:40,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:40,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:40,495 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:40,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 23:12:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:40,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:40,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:40,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:42,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:42,784 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:42,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:42,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:42,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:42,790 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:42,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 23:12:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:43,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:43,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:43,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:45,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:45,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:45,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:45,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:45,443 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:45,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 23:12:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:45,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:45,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:45,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:47,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 23:12:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:47,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:47,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:47,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:47,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:47,942 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:47,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 23:12:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:48,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:48,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:12:48,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:50,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:50,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:50,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:50,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:50,781 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:50,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 23:12:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:51,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:51,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:51,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:53,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:53,052 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:53,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:53,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:53,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:53,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:53,056 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:53,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 23:12:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:53,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:53,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:53,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:55,086 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:55,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 23:12:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:55,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:55,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:55,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:55,112 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:55,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 23:12:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:55,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:55,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:55,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:57,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-13 23:12:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:57,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:57,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:57,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:57,251 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:57,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 23:12:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:57,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:57,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:12:57,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:12:59,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 23:12:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:59,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:12:59,231 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:12:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:12:59,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:59,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:59,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:59,233 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:59,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 23:12:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:59,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:59,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:12:59,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:01,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-13 23:13:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:01,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:01,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:01,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:01,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:01,371 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:01,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 23:13:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:01,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:01,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:13:01,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:13:03,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-13 23:13:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:03,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:03,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:03,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:03,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:03,324 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:03,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 23:13:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:03,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:03,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:03,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:05,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-13 23:13:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:05,428 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:05,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:05,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:05,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:05,433 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:05,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 23:13:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:05,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:05,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:13:05,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:13:07,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-13 23:13:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:07,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:07,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:07,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:07,705 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:07,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 23:13:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:08,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:08,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:08,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:09,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-13 23:13:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:09,940 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:09,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:09,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:09,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:09,943 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:09,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 23:13:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:10,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:10,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:10,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:12,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-13 23:13:12,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:12,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:12,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:12,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:12,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:12,076 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:12,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 23:13:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:12,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:12,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:13:12,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:13,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-13 23:13:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:14,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:14,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:14,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:14,170 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:14,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 23:13:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:14,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:14,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:14,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:16,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-13 23:13:16,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:16,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:16,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:16,142 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:16,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 23:13:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:16,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:16,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:16,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:18,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-13 23:13:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:18,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:18,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:18,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:18,488 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:18,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 23:13:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:18,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:18,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:13:18,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:20,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-13 23:13:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:20,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:20,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:20,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:20,528 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:20,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 23:13:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:20,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:20,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:20,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:22,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-13 23:13:22,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:22,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:22,338 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:22,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:22,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:22,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:22,340 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:22,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 23:13:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:22,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:22,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:13:22,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:24,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-13 23:13:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:24,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:24,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:24,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:24,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:24,531 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:24,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 23:13:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:24,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:24,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:24,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:26,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-13 23:13:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 199 transitions. [2024-11-13 23:13:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2024-11-13 23:13:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:26,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:26,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:26,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:26,653 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:26,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 23:13:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:26,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:26,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:13:26,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:13:28,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-13 23:13:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:29,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 72 states and 198 transitions. [2024-11-13 23:13:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 198 transitions. [2024-11-13 23:13:29,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:29,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:29,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:29,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:29,878 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:29,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 23:13:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:30,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:30,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:13:30,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:31,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-13 23:13:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 72 states and 198 transitions. [2024-11-13 23:13:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 198 transitions. [2024-11-13 23:13:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:31,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:31,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:31,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:31,940 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:31,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 23:13:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:32,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:32,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:32,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:34,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-13 23:13:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 72 states and 198 transitions. [2024-11-13 23:13:34,132 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 198 transitions. [2024-11-13 23:13:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:34,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:34,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:34,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:34,135 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:34,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 23:13:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:34,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:34,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:34,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:36,263 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:36,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-13 23:13:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 74 states and 209 transitions. [2024-11-13 23:13:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 209 transitions. [2024-11-13 23:13:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:38,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:38,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:38,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:38,245 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:38,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 23:13:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:38,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:38,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:38,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:40,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-13 23:13:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 74 states and 209 transitions. [2024-11-13 23:13:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 209 transitions. [2024-11-13 23:13:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:41,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:41,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:41,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:41,204 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:41,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 23:13:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:41,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:41,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:41,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:43,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-13 23:13:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 74 states and 209 transitions. [2024-11-13 23:13:43,440 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 209 transitions. [2024-11-13 23:13:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:43,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:43,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:43,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:43,442 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:43,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 23:13:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:43,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:43,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:43,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:45,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-13 23:13:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 74 states and 209 transitions. [2024-11-13 23:13:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 209 transitions. [2024-11-13 23:13:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:46,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:46,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:46,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:46,614 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:46,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 23:13:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:46,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:46,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:46,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:48,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-13 23:13:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 74 states and 209 transitions. [2024-11-13 23:13:48,832 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 209 transitions. [2024-11-13 23:13:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:48,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:48,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:48,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:48,837 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:48,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 23:13:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:49,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:49,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:13:49,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:50,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-13 23:13:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 74 states and 209 transitions. [2024-11-13 23:13:50,861 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 209 transitions. [2024-11-13 23:13:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:50,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:50,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:50,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:50,863 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:50,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 23:13:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:51,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:51,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:51,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:52,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-13 23:13:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 74 states and 209 transitions. [2024-11-13 23:13:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 209 transitions. [2024-11-13 23:13:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:52,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:52,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:52,824 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:52,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 23:13:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:53,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:53,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:13:53,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:13:54,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-13 23:13:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:54,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 74 states and 209 transitions. [2024-11-13 23:13:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 209 transitions. [2024-11-13 23:13:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:54,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:54,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:54,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:54,653 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:54,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 23:13:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:55,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:55,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:13:55,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:13:56,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-13 23:13:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:13:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:13:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:13:59,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:59,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:59,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:59,066 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:59,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 23:13:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:59,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:59,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:13:59,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:01,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-13 23:14:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:01,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:01,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:01,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:01,466 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:01,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 23:14:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:01,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:01,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:01,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:03,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-13 23:14:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:03,518 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:03,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:03,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:03,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:03,520 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:03,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 23:14:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:03,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:03,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:14:03,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:14:06,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-13 23:14:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:06,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:06,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:06,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:06,517 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:06,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-13 23:14:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:06,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:06,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:06,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:08,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-13 23:14:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:08,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:08,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:08,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:08,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:08,654 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:08,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-13 23:14:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:08,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:09,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:09,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:10,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-13 23:14:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:10,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:10,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:10,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:10,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:10,945 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:10,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-13 23:14:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:11,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:11,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:14:11,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:13,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-13 23:14:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:13,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:13,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:13,488 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:13,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-13 23:14:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:13,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:13,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:13,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:15,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-13 23:14:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:15,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:15,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:15,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:15,543 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:15,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-13 23:14:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:15,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:15,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:15,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:17,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-13 23:14:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:17,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:17,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:17,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:17,686 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:17,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-13 23:14:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:18,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:18,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:18,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:20,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-13 23:14:20,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:20,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:20,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:20,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:20,171 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:20,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-13 23:14:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:20,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:20,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:20,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:22,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-13 23:14:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:22,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:22,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:22,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:22,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:22,423 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:22,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-13 23:14:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:22,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:22,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:14:22,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:14:24,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-13 23:14:24,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:24,532 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:24,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:24,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:24,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:24,534 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:24,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-13 23:14:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:24,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:24,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:24,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:26,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-13 23:14:26,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:26,575 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:26,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:26,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:26,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:26,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:26,576 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:26,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-13 23:14:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:26,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:26,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:14:26,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:28,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-13 23:14:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:28,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:28,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:28,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:28,785 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:28,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-13 23:14:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:29,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:29,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:14:29,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:30,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-13 23:14:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:31,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:31,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:31,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:31,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:31,013 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:31,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-13 23:14:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:31,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:31,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:14:31,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:33,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-13 23:14:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:33,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:33,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:33,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:33,415 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:33,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-13 23:14:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:33,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:33,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:33,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:35,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-13 23:14:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:35,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:35,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:35,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:35,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:35,607 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:35,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-13 23:14:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:35,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:35,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:14:35,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:14:38,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-13 23:14:38,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:38,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:38,833 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:38,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:38,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:38,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:38,836 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:38,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-13 23:14:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:39,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:39,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:39,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:40,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-13 23:14:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:40,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:40,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:40,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:40,950 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:40,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-13 23:14:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:41,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:41,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:41,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:43,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-13 23:14:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:43,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:43,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:43,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:43,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:43,510 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:43,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-13 23:14:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:43,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:43,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:43,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:46,332 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:14:46,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-13 23:14:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:46,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:46,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:46,358 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:46,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-13 23:14:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:46,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:46,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:46,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:48,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:48,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-13 23:14:48,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:48,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:48,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:48,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:48,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:48,438 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:48,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-13 23:14:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:48,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:48,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:48,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:51,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-13 23:14:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:51,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:51,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:51,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:51,213 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:51,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-13 23:14:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:51,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:51,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:14:51,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:53,209 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:53,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-13 23:14:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:53,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:53,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:53,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:53,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:53,591 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:53,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-13 23:14:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:53,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:53,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:53,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:55,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-13 23:14:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:55,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:55,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:55,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:55,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:55,734 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:55,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-13 23:14:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:56,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:56,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:14:56,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:57,507 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:14:57,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-13 23:14:57,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:57,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:14:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:14:57,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:14:57,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:57,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:57,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:14:57,860 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:14:57,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-13 23:14:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:58,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:58,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:58,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:00,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:00,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:00,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:00,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:00,105 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:00,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-13 23:15:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:00,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:00,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:00,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:02,617 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:02,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:02,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:02,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:02,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:02,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:02,645 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:02,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-13 23:15:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:02,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:03,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:03,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:04,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-13 23:15:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:04,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:04,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:04,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:04,739 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:04,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-13 23:15:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:05,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:05,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:05,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:06,730 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:06,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-13 23:15:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:06,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:06,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:06,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:06,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:06,763 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:06,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-13 23:15:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:07,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:07,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:15:07,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:15:09,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-13 23:15:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:09,306 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:09,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:09,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:09,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:09,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:09,308 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:09,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-13 23:15:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:09,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:09,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:09,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:11,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-13 23:15:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:11,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:11,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:11,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:11,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:11,444 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:11,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-13 23:15:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:11,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:11,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:15:11,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:13,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-13 23:15:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:13,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:13,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:13,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:13,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:13,623 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:13,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-13 23:15:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:13,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:13,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:13,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:15,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-13 23:15:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:15,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:15,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:15,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:15,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:15,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:15,653 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:15,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-13 23:15:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:15,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:16,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:15:16,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:17,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-13 23:15:17,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:17,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:17,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:17,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:17,643 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:17,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-13 23:15:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:17,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:18,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:15:18,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:19,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-13 23:15:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:19,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:19,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:19,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:19,767 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:19,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-13 23:15:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:20,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:20,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:20,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:21,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:22,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:22,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:22,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:22,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:22,014 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:22,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-13 23:15:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:22,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:22,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:22,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:24,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:24,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:24,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:24,128 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:24,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:24,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:24,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:24,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:24,130 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:24,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-13 23:15:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:24,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:24,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:15:24,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:15:26,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-13 23:15:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:26,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:26,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:26,263 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:26,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-13 23:15:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:26,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:26,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:26,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:28,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:28,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:28,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:28,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:28,385 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:28,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-13 23:15:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:28,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:28,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:15:28,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:30,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-13 23:15:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:30,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:30,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:30,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:30,283 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:30,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-13 23:15:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:30,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:30,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:30,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:32,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-13 23:15:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:32,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:32,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:32,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:32,419 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:32,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-13 23:15:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:32,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:32,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:32,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:34,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:34,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:34,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:34,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:34,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:34,625 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:34,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-13 23:15:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:34,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:35,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:15:35,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:15:36,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-13 23:15:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:36,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:36,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:36,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:36,838 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:36,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-13 23:15:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:37,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:37,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:37,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:38,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:38,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:38,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:38,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:38,975 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:38,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-13 23:15:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:39,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:39,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:15:39,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:15:41,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-13 23:15:41,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:41,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:41,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:41,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:41,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:41,641 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:41,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-13 23:15:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:42,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:42,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:15:42,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:15:43,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-13 23:15:44,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:44,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:44,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:44,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:44,022 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:44,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-13 23:15:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:44,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:44,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:15:44,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:15:47,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-13 23:15:47,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:47,186 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:47,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:47,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:47,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:47,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:47,189 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:47,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-13 23:15:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:47,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:47,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:47,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:51,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-13 23:15:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:51,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:51,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:51,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:51,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:51,191 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:51,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-13 23:15:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:51,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:51,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:51,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:54,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-13 23:15:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:54,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:54,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:54,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:54,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:54,997 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:54,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-13 23:15:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:55,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:55,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:55,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:57,334 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:15:57,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-13 23:15:57,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:57,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:57,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:57,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:57,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:57,359 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:57,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-13 23:15:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:57,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:57,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:15:57,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:15:59,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-13 23:15:59,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:15:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:15:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:15:59,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:59,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:59,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:59,415 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:59,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-13 23:15:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:59,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:59,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:15:59,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:01,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-13 23:16:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:01,815 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:01,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:01,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:01,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:01,817 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:01,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-13 23:16:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:02,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:02,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:02,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:04,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-13 23:16:04,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:04,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:04,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:04,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:04,151 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:04,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-13 23:16:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:04,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:04,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:16:04,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:05,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-13 23:16:06,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:06,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:06,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:06,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:06,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:06,143 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:06,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-13 23:16:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:06,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:06,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:06,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:16:08,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-13 23:16:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:08,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:08,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:08,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:08,366 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:08,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-13 23:16:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:08,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:08,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:08,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:10,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-13 23:16:10,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:10,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:10,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:10,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:10,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:10,758 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:10,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-13 23:16:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:11,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:11,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:11,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:12,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-13 23:16:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:12,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:12,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:12,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:12,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:12,873 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:12,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-13 23:16:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:13,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:13,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:13,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:15,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-13 23:16:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:15,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:15,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:15,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:15,389 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:15,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-13 23:16:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:15,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:15,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:15,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:17,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-13 23:16:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:17,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:17,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:17,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:17,504 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:17,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-13 23:16:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:17,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:17,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:17,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:19,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-13 23:16:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:19,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:19,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:19,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:19,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:19,963 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:19,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-13 23:16:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:20,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:20,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:20,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:22,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-13 23:16:22,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:22,105 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:22,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:22,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:22,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:22,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:22,107 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:22,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-13 23:16:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:22,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:22,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:22,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:24,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-13 23:16:24,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:24,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:24,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:24,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:24,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:24,271 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:24,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-13 23:16:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:24,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:24,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:16:24,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:26,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-13 23:16:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:26,444 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:26,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:26,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:26,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:26,448 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:26,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-13 23:16:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:26,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:26,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:26,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:28,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-13 23:16:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:28,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:28,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:28,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:28,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:28,672 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:28,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-13 23:16:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:28,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:28,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:28,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:30,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-13 23:16:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:30,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:30,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:30,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:30,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:30,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:30,852 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:30,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-13 23:16:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:31,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:31,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:16:31,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:32,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-13 23:16:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:32,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:32,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:32,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:32,828 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:32,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-13 23:16:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:33,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:33,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:33,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:35,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:35,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 84 states and 245 transitions. [2024-11-13 23:16:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 245 transitions. [2024-11-13 23:16:35,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:35,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:35,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:35,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:35,139 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:35,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-13 23:16:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:35,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:35,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:16:35,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:16:37,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-13 23:16:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:16:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:16:39,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:39,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:39,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:39,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:39,507 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:39,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-13 23:16:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:39,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:39,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:39,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:41,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-13 23:16:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:16:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:16:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:41,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:41,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:41,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:41,825 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:41,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-13 23:16:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:42,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:42,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:42,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:43,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-13 23:16:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:16:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:16:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:43,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:43,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:43,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:43,950 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:43,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-13 23:16:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:44,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:44,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:16:44,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:16:46,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-13 23:16:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:16:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:16:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:46,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:46,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:46,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:46,248 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:46,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-13 23:16:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:46,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:46,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:46,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:48,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-13 23:16:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:16:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:16:48,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:48,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:48,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:48,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:48,420 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:48,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-13 23:16:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:48,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:48,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:16:48,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:50,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-13 23:16:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:16:50,908 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:16:50,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:50,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:50,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:50,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:50,911 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:50,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-13 23:16:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:51,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:51,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:51,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:53,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-13 23:16:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:16:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:16:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:53,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:53,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:53,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:53,836 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:53,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-13 23:16:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:54,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:54,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:16:54,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:16:56,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-13 23:16:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:16:56,383 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:16:56,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:56,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:56,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:56,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:56,385 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:56,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-13 23:16:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:56,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:56,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:16:56,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:16:59,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-13 23:16:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:16:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:16:59,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:16:59,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:59,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:59,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:59,731 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:59,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-13 23:17:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:00,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:00,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:17:00,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:01,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-13 23:17:02,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:02,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:17:02,124 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:17:02,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:02,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:02,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:02,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:02,127 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:02,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-13 23:17:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:02,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:02,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:02,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:04,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-13 23:17:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:17:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:17:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:04,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:04,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:04,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:04,261 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:04,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-13 23:17:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:04,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:04,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:17:04,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:06,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-13 23:17:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:17:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:17:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:06,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:06,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:06,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:06,675 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:06,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-13 23:17:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:07,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:07,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:07,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:08,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-13 23:17:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:17:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:17:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:08,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:08,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:08,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:08,933 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:08,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-13 23:17:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:09,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:09,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:09,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:11,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-13 23:17:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:17:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:17:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:11,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:11,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:11,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:11,371 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:11,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-13 23:17:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:11,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:11,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:11,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:13,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-13 23:17:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:17:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:17:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:13,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:13,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:13,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:13,711 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:13,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-13 23:17:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:14,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:14,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:14,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:16,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-13 23:17:16,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:17:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:17:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:16,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:16,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:16,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:16,060 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:16,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-13 23:17:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:16,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:16,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:16,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:18,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-13 23:17:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:18,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:17:18,419 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:17:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:18,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:18,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:18,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:18,421 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:18,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-13 23:17:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:18,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:18,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:18,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:20,914 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:20,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-13 23:17:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 86 states and 257 transitions. [2024-11-13 23:17:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 257 transitions. [2024-11-13 23:17:20,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:20,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:20,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:20,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:20,942 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:20,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-13 23:17:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:21,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:21,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:17:21,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:17:23,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-13 23:17:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:24,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:24,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:24,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:24,279 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:24,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-13 23:17:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:24,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:24,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:17:24,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:26,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-13 23:17:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:26,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:26,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:26,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:26,457 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:26,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-13 23:17:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:26,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:26,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:17:26,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:29,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-13 23:17:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:29,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:29,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:29,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:29,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:29,370 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:29,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-13 23:17:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:29,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:29,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:17:29,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:31,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-13 23:17:31,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:31,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:31,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:31,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:31,729 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:31,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-13 23:17:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:31,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:32,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:32,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:17:34,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-13 23:17:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:34,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:34,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:34,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:34,311 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:34,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-13 23:17:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:34,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:34,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:34,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:36,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-13 23:17:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:36,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:36,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:36,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:36,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:36,675 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:36,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-13 23:17:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:37,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:37,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:37,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:38,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-13 23:17:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:38,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:38,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:38,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:38,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:38,887 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:38,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-13 23:17:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:39,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:39,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:39,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:41,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-13 23:17:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:41,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:41,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:41,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:41,516 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:41,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-13 23:17:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:41,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:41,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:41,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:43,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-13 23:17:43,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:43,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:43,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:43,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:43,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:43,752 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:43,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-13 23:17:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:44,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:44,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:44,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:46,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-13 23:17:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:46,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:46,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:46,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:46,343 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:46,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-13 23:17:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:46,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:46,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:46,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:48,947 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:48,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-13 23:17:48,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:48,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:48,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:48,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:48,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:48,981 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:48,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-13 23:17:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:49,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:49,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:49,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:51,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-13 23:17:51,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:51,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:51,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:51,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:51,622 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:51,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-13 23:17:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:51,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:51,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:17:51,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:17:53,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-13 23:17:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:53,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:53,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:53,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:53,716 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:53,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-13 23:17:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:54,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:54,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:17:54,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:17:56,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-13 23:17:56,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:56,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:56,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:56,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:56,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:56,615 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:56,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-13 23:17:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:56,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:56,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:17:56,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:17:59,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-13 23:17:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:17:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:17:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:17:59,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:59,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:59,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:59,527 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:59,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-13 23:17:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:59,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:00,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:00,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:02,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-13 23:18:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:02,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:02,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:02,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:02,235 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:02,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-13 23:18:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:02,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:02,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:02,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:18:04,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-13 23:18:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:04,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:04,615 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:04,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:04,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:04,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:04,617 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:04,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-13 23:18:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:04,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:04,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:04,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:06,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-13 23:18:06,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:06,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:06,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:06,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:06,968 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:06,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-13 23:18:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:07,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:07,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:07,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:09,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-13 23:18:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:09,462 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:09,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:09,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:09,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:09,466 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:09,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-13 23:18:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:09,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:09,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:09,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:18:12,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:12,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:12,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:12,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:12,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:12,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:12,011 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:12,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-13 23:18:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:12,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:12,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:18:12,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:13,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-13 23:18:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:14,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:14,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:14,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:14,137 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:14,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-13 23:18:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:14,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:14,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:14,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:16,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-13 23:18:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:16,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:16,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:16,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:16,610 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:16,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-13 23:18:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:16,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:17,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:17,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:18,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-13 23:18:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:18,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:18,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:18,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:18,867 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:18,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-13 23:18:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:19,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:19,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:18:19,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:20,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-13 23:18:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:21,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:21,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:21,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:21,014 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:21,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-13 23:18:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:21,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:21,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:21,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:23,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-13 23:18:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:23,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:23,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:23,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:23,128 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:23,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-13 23:18:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:23,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:23,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:23,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:26,389 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:26,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-13 23:18:26,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:26,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:26,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:26,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:26,413 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:26,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-13 23:18:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:26,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:26,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:26,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:28,609 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:28,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-13 23:18:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:28,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:28,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:28,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:28,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:28,632 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:28,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-13 23:18:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:28,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:28,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:28,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:32,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:32,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:32,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:32,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:32,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:32,705 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:32,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-13 23:18:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:33,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:33,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:33,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:35,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-13 23:18:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:35,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:35,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:35,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:35,113 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:35,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-13 23:18:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:35,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:35,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:35,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:37,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-13 23:18:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:37,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:37,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:37,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:37,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:37,244 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:37,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-13 23:18:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:37,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:37,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:37,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:39,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-13 23:18:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:39,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:39,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:39,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:39,542 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:39,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-13 23:18:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:39,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:39,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:39,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:43,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:43,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:43,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:43,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:43,103 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:43,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-13 23:18:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:43,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:43,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:43,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:45,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-13 23:18:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:45,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:45,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:45,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:45,409 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:45,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-13 23:18:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:45,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:45,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:45,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:18:49,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-13 23:18:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:49,503 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:49,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:49,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:49,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:49,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:49,506 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:49,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-13 23:18:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:49,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:49,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:49,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:51,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:51,679 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:51,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:51,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:51,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:51,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:51,681 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:51,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-13 23:18:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:51,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:52,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:18:52,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:18:53,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-13 23:18:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:53,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:53,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:53,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:53,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:53,718 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:53,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-13 23:18:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:54,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:55,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-13 23:18:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:55,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:55,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:55,952 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:55,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-13 23:18:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:56,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:56,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:56,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:18:58,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-13 23:18:58,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:18:58,178 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:18:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:18:58,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:58,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:58,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:58,181 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:58,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-13 23:18:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:58,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:58,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:18:58,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:00,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:00,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:00,335 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:00,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:00,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:00,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:00,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:00,337 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:00,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-13 23:19:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:00,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:00,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:00,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:02,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-13 23:19:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:02,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:02,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:02,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:02,540 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:02,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-13 23:19:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:02,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:02,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:02,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:04,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-13 23:19:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:04,607 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:04,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:04,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:04,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:04,609 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:04,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-13 23:19:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:04,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:04,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:19:04,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:06,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:06,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:06,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:06,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:06,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:06,747 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:06,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-13 23:19:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:07,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:07,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:19:07,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:19:08,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-13 23:19:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:08,800 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:08,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:08,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:08,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:08,802 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:08,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-13 23:19:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:09,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:09,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:09,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:11,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-13 23:19:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:11,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:11,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:11,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:11,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:11,567 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:11,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-13 23:19:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:11,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:11,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:11,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:14,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-13 23:19:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:14,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:14,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:14,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:14,321 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:14,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-13 23:19:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:14,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:14,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:14,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:16,661 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:16,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-13 23:19:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:16,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:16,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:16,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:16,678 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:16,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-13 23:19:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:16,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:17,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:17,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:19,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-13 23:19:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:19,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:19,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:19,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:19,740 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:19,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-13 23:19:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:20,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:20,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:20,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:21,969 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:21,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-13 23:19:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:21,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:21,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:21,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:21,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:21,984 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:21,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-13 23:19:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:22,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:22,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:22,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:25,083 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:19:25,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-13 23:19:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:25,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:25,094 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:25,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:25,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:25,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:25,096 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:25,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-13 23:19:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:25,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:25,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:25,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:27,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-13 23:19:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:27,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:27,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:27,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:27,029 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:27,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-13 23:19:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:27,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:27,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:27,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:29,068 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:29,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-13 23:19:29,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:29,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:29,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:29,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:29,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:29,090 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:29,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-13 23:19:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:29,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:29,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:19:29,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:19:31,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-13 23:19:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:31,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:31,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:31,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:31,582 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:31,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-13 23:19:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:31,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:31,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:31,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:34,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-13 23:19:34,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:34,425 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:34,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:34,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:34,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:34,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:34,427 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:34,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-13 23:19:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:34,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:34,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:19:34,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:36,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-13 23:19:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:36,517 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:36,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:36,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:36,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:36,518 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:36,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-13 23:19:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:36,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:36,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:19:36,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:38,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-13 23:19:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:38,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:38,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:38,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:38,568 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:38,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-13 23:19:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:38,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:38,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:19:38,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:19:40,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-13 23:19:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:40,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:40,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:40,625 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:40,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-13 23:19:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:40,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:40,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:40,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:19:42,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-13 23:19:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:43,004 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:43,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:43,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:43,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:43,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:43,006 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:43,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-13 23:19:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:43,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:43,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:19:43,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:44,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-13 23:19:45,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:45,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:45,107 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:45,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:45,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:45,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:45,109 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:45,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-13 23:19:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:45,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:45,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:45,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:47,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-13 23:19:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:47,096 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:47,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:47,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:47,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:47,099 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:47,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-13 23:19:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:47,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:47,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:47,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:49,947 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:49,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-13 23:19:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:49,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:49,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:49,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:49,962 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:49,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-13 23:19:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:50,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:50,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:50,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:52,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-13 23:19:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:52,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:52,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:52,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:52,255 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:52,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-13 23:19:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:52,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:52,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:52,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:54,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-13 23:19:54,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:54,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:54,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:54,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:54,423 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:54,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-13 23:19:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:54,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:54,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:54,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:56,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:56,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:56,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:56,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:56,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:56,530 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:56,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-13 23:19:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:56,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:56,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:19:56,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:58,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-13 23:19:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:19:58,645 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:19:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:19:58,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:58,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:58,650 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:58,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-13 23:19:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:59,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:59,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:19:59,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:00,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-13 23:20:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:00,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:00,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:00,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:00,697 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:00,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-13 23:20:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:00,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:01,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:20:01,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:02,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-13 23:20:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:02,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:02,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:02,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:02,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:02,677 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:02,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-13 23:20:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:02,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:02,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:02,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:04,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-13 23:20:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:04,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:04,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:04,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:04,461 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:04,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-13 23:20:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:04,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:04,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:04,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:06,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-13 23:20:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:06,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:06,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:06,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:06,351 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:06,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-13 23:20:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:06,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:06,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:06,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:10,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-13 23:20:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:10,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:10,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:10,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:10,125 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:10,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-13 23:20:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:10,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:10,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:10,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:12,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-13 23:20:12,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:12,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:12,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:12,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:12,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:12,451 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:12,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-13 23:20:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:12,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:12,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:12,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:14,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-13 23:20:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:14,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:14,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:14,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:14,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:14,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:14,352 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:14,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-13 23:20:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:14,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:14,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:14,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:16,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Forceful destruction successful, exit code 0 [2024-11-13 23:20:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:16,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:16,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:16,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:16,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:16,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:16,598 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:16,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-13 23:20:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:16,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:16,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:20:16,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:20:18,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-13 23:20:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:19,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:19,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:19,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:19,053 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:19,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-13 23:20:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:19,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:19,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:19,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:21,416 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:21,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-13 23:20:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:21,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:21,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:21,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:21,432 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:21,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-13 23:20:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:21,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:21,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:20:21,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:20:23,172 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:20:23,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-13 23:20:23,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:23,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:23,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:23,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:23,200 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:23,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-13 23:20:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:23,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:23,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:23,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:26,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-13 23:20:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:26,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:26,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:26,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:26,335 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:26,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-13 23:20:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:26,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:26,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:20:26,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:28,193 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:20:28,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-13 23:20:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:28,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:28,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:28,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:28,390 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:28,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-13 23:20:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:28,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:28,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:28,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:30,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-13 23:20:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:30,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:30,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:30,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:30,479 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:30,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-13 23:20:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:30,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:30,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:20:30,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:20:32,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-13 23:20:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:32,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:32,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:32,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:32,539 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:32,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-13 23:20:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:32,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:32,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:32,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:34,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2024-11-13 23:20:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:34,422 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:34,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:34,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:34,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:34,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:34,424 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:34,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-13 23:20:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:34,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:34,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:34,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:36,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-13 23:20:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:36,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:36,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:36,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:36,279 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:36,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-13 23:20:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:36,545 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:36,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:36,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:38,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-13 23:20:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:38,389 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:38,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:38,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:38,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:38,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:38,391 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:38,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-13 23:20:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:38,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:38,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:38,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:40,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-13 23:20:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:40,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:40,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:40,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:40,612 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:40,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-13 23:20:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:40,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:41,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:41,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:42,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-13 23:20:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:42,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:42,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:42,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:42,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:42,730 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:42,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-13 23:20:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:42,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:43,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:20:43,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:44,930 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:20:44,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-13 23:20:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:45,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:45,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:45,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:45,130 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:45,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-13 23:20:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:45,393 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:45,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:45,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:46,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-11-13 23:20:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:46,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:46,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:46,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:46,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:46,976 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:46,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-13 23:20:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:47,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:47,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:20:47,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:20:49,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-13 23:20:49,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:49,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:49,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:49,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:49,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:49,255 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:49,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-13 23:20:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:49,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:49,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:49,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:51,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-13 23:20:51,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:51,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:51,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:51,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:51,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:51,218 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:51,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-13 23:20:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:51,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:51,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:51,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:53,406 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:53,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-13 23:20:53,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:53,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:53,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:53,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:53,421 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:53,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-13 23:20:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:53,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:53,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:20:53,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:20:56,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-13 23:20:56,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:56,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:56,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:56,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:56,856 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:56,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-13 23:20:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:57,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:57,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:57,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:59,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-13 23:20:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:20:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:20:59,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:59,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:59,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:59,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:59,073 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:59,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-13 23:20:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:59,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:59,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:20:59,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:01,418 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:01,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-13 23:21:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:01,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:01,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:01,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:01,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:01,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:01,440 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:01,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-13 23:21:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:01,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:01,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:01,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:03,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-13 23:21:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:03,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:03,466 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:03,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:03,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:03,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:03,468 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:03,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-13 23:21:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:03,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:03,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:03,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:05,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-13 23:21:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:05,546 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:05,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:05,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:05,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:05,548 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:05,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-13 23:21:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:05,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:06,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:21:06,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:21:07,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-13 23:21:08,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:08,055 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:08,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:08,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:08,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:08,057 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:08,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-13 23:21:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:08,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:08,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:08,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:11,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-13 23:21:11,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:11,864 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:11,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:11,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:11,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:11,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:11,866 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:11,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-13 23:21:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:12,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:12,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:12,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:13,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-13 23:21:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:14,011 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:14,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:14,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:14,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:14,013 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:14,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-13 23:21:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:14,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:14,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:14,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:16,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-13 23:21:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:16,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:16,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:16,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:16,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:16,081 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:16,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-13 23:21:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:16,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:16,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:16,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:18,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Forceful destruction successful, exit code 0 [2024-11-13 23:21:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:18,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:18,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:18,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:18,686 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:18,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-13 23:21:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:19,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:19,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:19,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:21,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-13 23:21:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:21,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:21,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:21,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:21,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:21,088 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:21,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-13 23:21:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:21,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:21,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:21,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:23,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-13 23:21:23,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:23,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:23,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:23,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:23,746 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:23,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-13 23:21:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:24,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:24,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:21:24,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:21:26,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-13 23:21:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:26,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:26,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:26,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:26,294 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:26,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-13 23:21:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:26,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:26,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:26,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:30,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-13 23:21:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:30,168 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:30,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:30,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:30,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:30,170 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:30,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-13 23:21:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:30,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:30,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:21:30,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:21:32,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-13 23:21:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:32,197 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:32,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:32,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:32,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:32,198 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:32,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-13 23:21:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:32,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:32,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:32,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:34,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-13 23:21:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:34,265 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:34,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:34,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:34,267 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:34,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-13 23:21:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:34,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:34,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:21:34,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:21:36,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-13 23:21:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:37,008 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:37,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:37,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:37,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:37,010 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:37,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-13 23:21:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:37,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:37,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:37,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:40,027 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:40,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-13 23:21:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:40,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:40,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:40,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:40,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:40,052 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:40,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-13 23:21:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:40,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:40,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:40,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:42,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-13 23:21:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:42,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:42,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:42,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:42,450 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:42,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-13 23:21:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:42,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:42,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:42,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:44,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Forceful destruction successful, exit code 0 [2024-11-13 23:21:44,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:44,571 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:44,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:44,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:44,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:44,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:44,573 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:44,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-13 23:21:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:44,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:44,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:44,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:46,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-13 23:21:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:46,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:46,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:46,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:46,563 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:46,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-13 23:21:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:46,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:46,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:21:46,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:48,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-13 23:21:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:48,773 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:48,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:48,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:48,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:48,774 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:48,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-13 23:21:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:49,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:49,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:49,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:51,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-13 23:21:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:51,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:51,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:51,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:51,275 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:51,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-13 23:21:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:51,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:51,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:21:51,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:21:53,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-13 23:21:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:53,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:53,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:53,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:53,941 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:53,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-13 23:21:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:54,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:54,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:54,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:21:56,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-13 23:21:56,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:56,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:56,895 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:56,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:56,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:56,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:56,897 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:56,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-13 23:21:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:57,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:57,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:21:57,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:21:59,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Forceful destruction successful, exit code 0 [2024-11-13 23:21:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:21:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:21:59,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:21:59,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:59,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:59,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:59,283 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:59,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-13 23:21:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:59,629 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:59,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:21:59,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:02,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-13 23:22:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:02,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:02,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:02,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:02,163 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:02,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-13 23:22:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:02,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:02,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:22:02,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:22:05,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Forceful destruction successful, exit code 0 [2024-11-13 23:22:05,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:05,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:05,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:05,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:05,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:05,030 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:05,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-13 23:22:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:05,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:05,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:05,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:07,322 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:07,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-13 23:22:07,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:07,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:07,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:07,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:07,337 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:07,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-13 23:22:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:07,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:07,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:07,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:09,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-13 23:22:09,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:09,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:09,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:09,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:09,732 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:09,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-13 23:22:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:10,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:10,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:10,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:12,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-13 23:22:12,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:12,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:12,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:12,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:12,133 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:12,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-13 23:22:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:12,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:12,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:12,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:14,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-13 23:22:14,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:14,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:14,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:14,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:14,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:14,505 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:14,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-13 23:22:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:14,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:14,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:14,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:17,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-13 23:22:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:17,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:17,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:17,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:17,431 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:17,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-13 23:22:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:17,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:17,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:17,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:20,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-13 23:22:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:20,135 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:20,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:20,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:20,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:20,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:20,137 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:20,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-13 23:22:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:20,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:20,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:20,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:22,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Forceful destruction successful, exit code 0 [2024-11-13 23:22:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:22,475 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:22,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:22,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:22,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:22,477 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:22,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-13 23:22:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:22,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:22,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:22,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:24,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-13 23:22:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:24,965 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:24,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:24,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:24,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:24,967 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:24,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-13 23:22:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:25,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:25,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:25,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:27,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-13 23:22:27,300 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Exception during sending of exit command (exit): Stream closed [2024-11-13 23:22:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:27,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:27,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:27,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:27,321 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:27,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-13 23:22:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:27,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:27,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:22:27,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:29,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-13 23:22:29,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:29,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:29,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:29,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:29,896 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:29,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-13 23:22:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:30,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:30,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:30,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:32,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-13 23:22:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:32,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:32,224 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:32,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:32,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:32,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:32,226 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:32,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-13 23:22:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:32,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:32,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:22:32,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:22:34,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-13 23:22:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:34,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:34,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:34,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:34,724 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:34,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-13 23:22:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:35,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:35,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:22:35,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:22:37,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-13 23:22:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:37,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:37,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:37,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:37,335 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:37,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-13 23:22:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:37,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:37,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:37,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:39,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-11-13 23:22:39,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:39,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:39,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:39,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:39,519 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:39,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-13 23:22:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:39,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:39,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:39,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:41,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-13 23:22:41,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:41,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:41,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:41,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:41,801 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:41,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-13 23:22:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:42,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:42,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:42,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:44,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-13 23:22:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:44,098 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:44,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:44,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:44,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:44,100 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:44,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-13 23:22:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:44,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:44,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:22:44,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:46,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-13 23:22:46,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:46,495 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:46,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:46,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:46,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:46,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:46,498 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:46,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-13 23:22:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:46,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:47,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:47,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:49,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-13 23:22:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:50,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:50,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:50,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:50,026 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:50,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-13 23:22:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:50,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:50,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:50,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:52,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-13 23:22:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:52,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:52,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:52,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:52,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:52,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:52,289 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:52,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-13 23:22:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:52,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:52,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:52,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:54,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-13 23:22:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:54,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:54,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:54,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:54,437 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:54,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-13 23:22:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:54,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:54,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:54,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:56,463 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:56,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-13 23:22:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:56,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:56,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:56,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:56,485 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:56,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-13 23:22:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:56,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:56,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:22:56,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:22:58,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-13 23:22:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:22:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:22:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:22:58,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:58,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:58,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:58,508 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:58,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-13 23:22:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:58,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:58,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:22:58,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:00,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-13 23:23:01,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:01,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:01,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:01,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:01,007 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:01,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-13 23:23:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:01,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:01,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:23:01,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:23:02,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-13 23:23:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:03,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:03,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:03,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:03,153 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:03,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-13 23:23:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:03,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:03,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:03,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:04,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-13 23:23:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:04,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:04,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:04,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:04,921 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:04,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-13 23:23:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:05,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:05,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:05,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:06,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-13 23:23:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:06,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:06,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:06,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:06,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:06,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:06,857 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:06,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-13 23:23:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:07,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:07,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:23:07,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:08,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-13 23:23:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:09,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:09,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:09,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:09,188 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:09,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-13 23:23:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:09,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:09,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:23:09,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:23:11,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-13 23:23:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:11,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:11,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:11,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:11,854 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:11,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-13 23:23:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:12,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:12,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:12,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:13,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-13 23:23:13,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:13,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:13,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:13,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:13,750 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:13,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-13 23:23:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:14,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:14,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:14,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:15,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-13 23:23:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:15,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:15,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:15,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:15,681 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:15,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-13 23:23:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:15,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:15,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:15,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:17,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-13 23:23:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:17,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:17,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:17,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:17,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:17,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:17,963 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:17,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-13 23:23:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:18,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:18,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:18,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:20,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-13 23:23:20,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:20,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:20,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:20,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:20,573 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:20,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-13 23:23:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:20,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:20,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:23:20,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:23,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-13 23:23:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:24,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:24,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:24,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:24,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:24,067 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:24,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-13 23:23:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:24,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:24,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:24,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:25,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:25,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:25,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:25,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:25,979 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:25,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-13 23:23:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:26,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:26,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:26,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:27,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:27,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:27,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:27,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:27,886 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:27,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-13 23:23:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:28,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:28,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:28,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:30,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-13 23:23:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:30,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:30,693 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:30,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:30,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:30,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:30,695 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:30,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-13 23:23:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:30,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:30,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:30,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:32,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-13 23:23:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:32,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:32,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:32,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:32,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:32,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:32,517 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:32,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-13 23:23:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:32,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:32,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:23:32,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:35,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:35,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:35,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:35,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:35,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:35,684 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:35,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-13 23:23:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:35,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:35,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:35,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:37,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-13 23:23:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:37,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:37,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:37,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:37,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:37,554 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:37,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-13 23:23:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:37,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:37,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:37,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:39,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:39,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:39,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:39,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:39,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:39,402 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:39,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-13 23:23:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:39,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:39,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:39,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:41,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-13 23:23:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:41,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:41,364 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:41,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:41,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:41,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:41,365 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:41,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-13 23:23:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:41,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:41,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:23:41,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:43,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-13 23:23:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:43,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:43,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:43,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:43,542 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:43,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-13 23:23:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:43,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:43,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:23:43,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:23:45,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-13 23:23:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:45,185 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:45,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:45,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:45,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:45,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:45,187 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:45,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-13 23:23:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:45,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:45,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:45,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:47,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-13 23:23:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:47,799 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:47,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:47,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:47,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:47,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:47,802 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:47,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-13 23:23:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:48,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:48,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:48,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:49,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-13 23:23:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:50,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:50,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:50,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:50,017 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:50,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-13 23:23:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:50,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:50,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:23:50,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:51,748 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:51,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-13 23:23:51,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:51,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:51,917 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:51,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:51,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:51,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:51,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:51,919 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:51,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-13 23:23:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:52,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:52,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:52,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:53,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-13 23:23:53,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:53,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:53,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:53,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:53,792 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:53,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-13 23:23:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:54,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:54,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:54,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:55,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-13 23:23:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:55,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:55,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:55,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:55,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:55,823 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-13 23:23:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:56,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:56,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:56,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:57,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:57,773 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:57,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:57,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:57,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:57,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:57,775 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:57,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-13 23:23:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:58,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:58,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:23:58,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:23:59,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-13 23:23:59,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:23:59,699 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:23:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:23:59,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:59,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:59,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:59,703 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:59,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-13 23:23:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:59,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:00,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:00,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:01,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-13 23:24:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:01,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:01,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:01,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:01,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:01,623 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:01,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-13 23:24:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:01,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:01,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:01,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:03,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:03,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:03,585 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:03,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:03,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:03,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:03,586 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:03,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-13 23:24:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:03,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:03,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:03,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:05,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:05,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:05,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:05,347 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:05,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-13 23:24:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:05,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:05,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:24:05,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:24:07,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-13 23:24:07,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:07,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:07,336 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:07,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:07,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:07,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:07,338 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:07,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-13 23:24:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:07,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:07,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:07,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:09,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-13 23:24:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:09,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:09,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:09,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:09,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:09,369 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:09,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-13 23:24:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:09,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:09,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:24:09,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:11,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-13 23:24:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:11,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:11,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:11,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:11,419 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:11,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-13 23:24:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:11,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:11,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:11,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:13,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-13 23:24:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:13,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:13,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:13,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:13,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:13,669 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:13,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-13 23:24:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:13,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:13,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:13,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:15,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:15,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:15,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:15,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:15,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:15,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:15,784 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:15,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-13 23:24:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:16,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:16,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:16,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:17,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-13 23:24:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:17,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:17,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:17,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:17,762 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:17,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-13 23:24:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:18,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:18,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:18,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:20,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:20,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:20,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:20,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:20,248 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:20,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-13 23:24:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:20,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:20,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:20,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:22,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-13 23:24:22,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:22,293 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:22,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:22,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:22,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:22,295 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:22,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-13 23:24:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:22,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:22,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:22,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:24,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:24,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:24,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:24,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:24,205 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:24,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-13 23:24:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:24,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:24,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:24,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:26,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-13 23:24:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:26,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:26,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:26,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:26,131 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:26,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-13 23:24:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:26,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:26,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:26,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:28,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:28,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:28,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:28,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:28,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:28,572 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:28,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-13 23:24:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:28,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:28,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:28,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:31,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-13 23:24:31,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:31,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:31,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:31,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:31,184 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:31,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-13 23:24:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:31,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:31,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:24:31,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:24:33,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-13 23:24:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:33,196 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:33,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:33,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:33,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:33,198 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:33,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-13 23:24:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:33,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:33,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:33,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:34,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-13 23:24:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:35,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:35,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:35,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:35,008 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:35,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-13 23:24:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:35,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:35,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:24:35,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:24:36,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-13 23:24:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:36,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:36,868 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:36,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:36,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:36,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:36,870 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:36,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-13 23:24:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:37,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:37,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:24:37,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:38,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:38,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-13 23:24:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:39,213 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:39,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:39,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:39,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:39,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:39,214 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:39,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-13 23:24:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:39,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:39,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:24:39,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 23:24:41,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-13 23:24:41,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:41,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:41,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:41,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:41,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:41,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:41,279 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:41,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-13 23:24:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:41,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:41,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:41,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:43,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-13 23:24:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:43,230 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:43,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:43,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:43,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:43,232 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:43,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-13 23:24:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:43,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:43,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:24:43,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:45,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-13 23:24:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:45,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:45,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:45,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:45,090 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:45,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-13 23:24:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:45,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:45,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:24:45,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:24:47,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-13 23:24:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 94 states and 260 transitions. [2024-11-13 23:24:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2024-11-13 23:24:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:24:47,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:47,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:47,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:47,323 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:47,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe946496-65fe-4bda-9be6-b8ae1c3660a0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-13 23:24:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:47,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:47,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:24:47,620 INFO L278 TraceCheckSpWp]: Computing forward predicates...