./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/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_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1a93b4c325da61bdb0bcf5f7bfce47877e5238073f7401e4883b579f193ca117 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:19:31,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:19:31,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:19:31,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:19:31,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:19:31,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:19:31,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:19:31,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:19:31,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:19:31,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:19:31,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:19:31,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:19:31,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:19:31,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:19:31,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:19:31,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:19:31,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:19:31,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:19:31,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:19:31,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:19:31,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:19:31,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:19:31,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:19:31,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:19:31,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:31,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:19:31,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:19:31,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:19:31,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:19:31,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:19:31,491 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_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a93b4c325da61bdb0bcf5f7bfce47877e5238073f7401e4883b579f193ca117 [2024-11-13 22:19:31,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:19:31,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:19:31,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:19:31,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:19:31,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:19:31,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c Unable to find full path for "g++" [2024-11-13 22:19:33,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:19:34,076 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:19:34,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2024-11-13 22:19:34,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/data/c57d91c58/adb14af82a3f44509fc2acea92d1ff39/FLAG6b52cedbf [2024-11-13 22:19:34,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/data/c57d91c58/adb14af82a3f44509fc2acea92d1ff39 [2024-11-13 22:19:34,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:19:34,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:19:34,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:34,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:19:34,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:19:34,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8f1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34, skipping insertion in model container [2024-11-13 22:19:34,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:19:34,516 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_fd72020f-878f-403f-a0e3-055a909bbc7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1248,1261] [2024-11-13 22:19:34,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:34,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:19:34,576 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_fd72020f-878f-403f-a0e3-055a909bbc7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1248,1261] [2024-11-13 22:19:34,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:34,623 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:19:34,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34 WrapperNode [2024-11-13 22:19:34,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:34,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:34,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:19:34,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:19:34,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,706 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 187 [2024-11-13 22:19:34,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:34,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:19:34,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:19:34,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:19:34,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:19:34,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:19:34,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:19:34,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:19:34,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:34" (1/1) ... [2024-11-13 22:19:34,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:34,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:19:34,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:19:34,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:19:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:19:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:19:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:19:34,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:19:34,943 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:19:34,944 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:19:35,538 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-11-13 22:19:35,538 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:19:35,903 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:19:35,904 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:19:35,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:35 BoogieIcfgContainer [2024-11-13 22:19:35,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:19:35,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:19:35,905 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:19:35,916 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:19:35,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:35" (1/1) ... [2024-11-13 22:19:35,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:19:35,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:19:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:19:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:19:35,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:35,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:36,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:36,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:19:36,893 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:19:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:19:36,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:36,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:37,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:19:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:37,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:19:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:37,710 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:19:37,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:19:37 ImpRootNode [2024-11-13 22:19:37,757 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:19:37,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:19:37,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:19:37,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:19:37,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:35" (3/4) ... [2024-11-13 22:19:37,763 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:19:37,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:19:37,767 INFO L158 Benchmark]: Toolchain (without parser) took 3421.13ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 94.5MB in the beginning and 279.5MB in the end (delta: -185.0MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2024-11-13 22:19:37,767 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:37,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.72ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 81.2MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:19:37,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.01ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 76.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:19:37,771 INFO L158 Benchmark]: Boogie Preprocessor took 60.10ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:37,771 INFO L158 Benchmark]: RCFGBuilder took 1137.37ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 63.7MB in the end (delta: 11.2MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-13 22:19:37,772 INFO L158 Benchmark]: CodeCheck took 1851.65ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 63.7MB in the beginning and 279.5MB in the end (delta: -215.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-13 22:19:37,772 INFO L158 Benchmark]: Witness Printer took 6.17ms. Allocated memory is still 343.9MB. Free memory was 279.5MB in the beginning and 279.5MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:37,779 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 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, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 21]: 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 bitwiseOr at line 79, overapproximation of bitwiseAnd at line 80, overapproximation of bitwiseAnd at line 60, overapproximation of bitwiseAnd at line 39. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_3 var_4 = 0; [L33] const SORT_1 var_13 = 1; [L34] const SORT_3 var_19 = 255; [L35] const SORT_3 var_23 = 1; [L37] SORT_1 input_2; [L39] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L39] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L40] SORT_3 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L42] SORT_3 init_6_arg_1 = var_4; [L43] state_5 = init_6_arg_1 [L44] SORT_3 init_8_arg_1 = var_4; [L45] state_7 = init_8_arg_1 VAL [mask_SORT_1=1, mask_SORT_3=255, state_5=0, state_7=0, var_13=1, var_19=255, var_23=1] [L48] input_2 = __VERIFIER_nondet_uchar() [L51] SORT_3 var_9_arg_0 = state_5; [L52] SORT_3 var_9_arg_1 = state_7; [L53] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L54] SORT_1 var_10_arg_0 = var_9; [L55] SORT_1 var_10 = ~var_10_arg_0; [L56] SORT_1 var_14_arg_0 = var_10; [L57] SORT_1 var_14 = ~var_14_arg_0; [L58] SORT_1 var_15_arg_0 = var_13; [L59] SORT_1 var_15_arg_1 = var_14; [L60] EXPR var_15_arg_0 & var_15_arg_1 [L60] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L61] EXPR var_15 & mask_SORT_1 [L61] var_15 = var_15 & mask_SORT_1 [L62] SORT_1 bad_16_arg_0 = var_15; [L63] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L63] RET __VERIFIER_assert(!(bad_16_arg_0)) [L65] SORT_3 var_25_arg_0 = state_5; [L66] SORT_3 var_25_arg_1 = state_7; [L67] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L68] SORT_3 var_24_arg_0 = state_5; [L69] SORT_3 var_24_arg_1 = var_23; [L70] SORT_3 var_24 = var_24_arg_0 + var_24_arg_1; [L71] SORT_3 var_18_arg_0 = state_5; [L72] SORT_3 var_18_arg_1 = state_7; [L73] SORT_1 var_18 = var_18_arg_0 > var_18_arg_1; [L74] SORT_3 var_20_arg_0 = state_7; [L75] SORT_3 var_20_arg_1 = var_19; [L76] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L77] SORT_1 var_21_arg_0 = var_18; [L78] SORT_1 var_21_arg_1 = var_20; [L79] EXPR var_21_arg_0 | var_21_arg_1 [L79] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L80] EXPR var_21 & mask_SORT_1 [L80] var_21 = var_21 & mask_SORT_1 [L81] SORT_1 var_22_arg_0 = var_21; [L82] SORT_3 var_22_arg_1 = state_5; [L83] SORT_3 var_22_arg_2 = state_7; [L84] SORT_3 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L85] SORT_1 var_26_arg_0 = var_25; [L86] SORT_3 var_26_arg_1 = var_24; [L87] SORT_3 var_26_arg_2 = var_22; [L88] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L89] EXPR var_26 & mask_SORT_3 [L89] var_26 = var_26 & mask_SORT_3 [L90] SORT_3 next_27_arg_1 = var_26; [L91] SORT_3 var_33_arg_0 = state_5; [L92] SORT_3 var_33_arg_1 = state_7; [L93] SORT_1 var_33 = var_33_arg_0 > var_33_arg_1; [L94] SORT_3 var_29_arg_0 = state_5; [L95] SORT_3 var_29_arg_1 = state_7; [L96] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L97] SORT_3 var_30_arg_0 = state_7; [L98] SORT_3 var_30_arg_1 = var_19; [L99] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L100] SORT_1 var_31_arg_0 = var_29; [L101] SORT_1 var_31_arg_1 = var_30; [L102] EXPR var_31_arg_0 | var_31_arg_1 [L102] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L103] EXPR var_31 & mask_SORT_1 [L103] var_31 = var_31 & mask_SORT_1 [L104] SORT_3 var_28_arg_0 = state_7; [L105] SORT_3 var_28_arg_1 = var_23; [L106] SORT_3 var_28 = var_28_arg_0 + var_28_arg_1; [L107] SORT_1 var_32_arg_0 = var_31; [L108] SORT_3 var_32_arg_1 = var_28; [L109] SORT_3 var_32_arg_2 = state_5; [L110] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L111] SORT_1 var_34_arg_0 = var_33; [L112] SORT_3 var_34_arg_1 = state_7; [L113] SORT_3 var_34_arg_2 = var_32; [L114] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L115] EXPR var_34 & mask_SORT_3 [L115] var_34 = var_34 & mask_SORT_3 [L116] SORT_3 next_35_arg_1 = var_34; [L118] state_5 = next_27_arg_1 [L119] state_7 = next_35_arg_1 [L48] input_2 = __VERIFIER_nondet_uchar() [L51] SORT_3 var_9_arg_0 = state_5; [L52] SORT_3 var_9_arg_1 = state_7; [L53] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L54] SORT_1 var_10_arg_0 = var_9; [L55] SORT_1 var_10 = ~var_10_arg_0; [L56] SORT_1 var_14_arg_0 = var_10; [L57] SORT_1 var_14 = ~var_14_arg_0; [L58] SORT_1 var_15_arg_0 = var_13; [L59] SORT_1 var_15_arg_1 = var_14; [L60] EXPR var_15_arg_0 & var_15_arg_1 [L60] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L61] EXPR var_15 & mask_SORT_1 [L61] var_15 = var_15 & mask_SORT_1 [L62] SORT_1 bad_16_arg_0 = var_15; [L63] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.72ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 81.2MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.01ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 76.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.10ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1137.37ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 63.7MB in the end (delta: 11.2MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * CodeCheck took 1851.65ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 63.7MB in the beginning and 279.5MB in the end (delta: -215.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 6.17ms. Allocated memory is still 343.9MB. Free memory was 279.5MB in the beginning and 279.5MB in the end (delta: 11.7kB). 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 22:19:37,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/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_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1a93b4c325da61bdb0bcf5f7bfce47877e5238073f7401e4883b579f193ca117 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:19:40,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:19:40,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:19:40,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:19:40,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:19:40,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:19:40,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:19:40,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:19:40,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:19:40,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:19:40,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:19:40,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:19:40,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:19:40,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:19:40,859 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:19:40,859 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:19:40,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:19:40,859 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:19:40,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:19:40,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:19:40,860 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:19:40,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:19:40,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:19:40,861 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:40,861 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:19:40,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:19:40,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:40,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:19:40,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:19:40,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:19:40,862 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:19:40,862 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:40,862 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:19:40,862 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_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a93b4c325da61bdb0bcf5f7bfce47877e5238073f7401e4883b579f193ca117 [2024-11-13 22:19:41,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:19:41,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:19:41,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:19:41,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:19:41,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:19:41,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c Unable to find full path for "g++" [2024-11-13 22:19:43,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:19:43,359 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:19:43,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2024-11-13 22:19:43,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/data/afa481a8f/16c621682303455bb923cc0b2523d0f6/FLAGb76945b56 [2024-11-13 22:19:43,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/data/afa481a8f/16c621682303455bb923cc0b2523d0f6 [2024-11-13 22:19:43,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:19:43,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:19:43,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:43,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:19:43,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:19:43,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:43" (1/1) ... [2024-11-13 22:19:43,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f38006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:43, skipping insertion in model container [2024-11-13 22:19:43,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:43" (1/1) ... [2024-11-13 22:19:43,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:19:43,882 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_fd72020f-878f-403f-a0e3-055a909bbc7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1248,1261] [2024-11-13 22:19:43,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:43,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:19:43,986 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_fd72020f-878f-403f-a0e3-055a909bbc7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1248,1261] [2024-11-13 22:19:44,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:44,053 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:19:44,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44 WrapperNode [2024-11-13 22:19:44,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:44,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:44,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:19:44,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:19:44,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,103 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2024-11-13 22:19:44,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:44,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:19:44,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:19:44,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:19:44,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:19:44,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:19:44,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:19:44,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:19:44,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:44,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:19:44,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:19:44,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:19:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:19:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:19:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:19:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:19:44,295 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:19:44,297 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:19:44,539 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 22:19:44,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:19:44,583 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:19:44,584 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:19:44,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:44 BoogieIcfgContainer [2024-11-13 22:19:44,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:19:44,585 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:19:44,585 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:19:44,596 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:19:44,596 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:44" (1/1) ... [2024-11-13 22:19:44,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:19:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:19:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:19:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:19:44,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:44,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:44,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:44,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:44,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:19:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:44,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:44,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:19:44,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:45,159 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:19:45,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:19:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:19:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:19:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:19:45,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:45,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:45,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:45,260 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:45,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:19:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:45,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:45,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:19:45,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:46,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:19:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-13 22:19:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-13 22:19:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:19:46,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:46,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:46,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:46,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:46,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:19:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:46,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:46,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 22:19:46,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:47,307 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:19:47,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:19:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-13 22:19:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-13 22:19:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:19:47,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:47,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:47,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:47,975 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:47,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:19:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:48,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:48,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:19:48,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:48,738 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:19:48,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:19:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-13 22:19:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-13 22:19:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:19:49,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:49,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:49,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:49,730 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:49,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:19:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:50,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:50,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 22:19:50,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:50,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:19:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2024-11-13 22:19:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-11-13 22:19:51,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:19:51,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:51,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:51,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:51,631 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:51,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:19:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:51,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:51,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 22:19:51,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:52,546 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:19:52,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 22:19:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2024-11-13 22:19:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2024-11-13 22:19:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:19:53,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:53,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:53,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:53,663 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:53,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:19:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:53,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:54,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 22:19:54,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:54,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 22:19:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:56,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-13 22:19:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-13 22:19:56,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:19:56,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:56,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:56,196 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:56,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:19:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:56,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:56,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 22:19:56,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:57,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:19:59,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-11-13 22:19:59,179 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-13 22:19:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:19:59,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:59,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:59,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:59,182 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:59,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:19:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:59,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:59,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 22:19:59,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:00,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 22:20:02,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:02,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2024-11-13 22:20:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2024-11-13 22:20:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:20:02,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:02,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:02,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:02,161 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:02,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:20:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:02,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:02,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 22:20:02,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:03,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 22:20:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2024-11-13 22:20:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2024-11-13 22:20:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:20:05,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:05,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:05,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:05,636 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:05,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:20:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:06,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:06,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 22:20:06,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:06,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 22:20:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 71 transitions. [2024-11-13 22:20:08,870 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-11-13 22:20:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:20:08,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:08,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:08,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:08,875 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:08,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:20:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:09,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:09,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 22:20:09,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:10,399 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:10,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:20:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:12,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2024-11-13 22:20:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2024-11-13 22:20:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:20:12,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:12,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:12,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:12,655 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:12,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:20:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:13,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:13,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 22:20:13,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:14,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:20:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2024-11-13 22:20:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-11-13 22:20:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:20:16,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:16,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:16,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:16,756 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:16,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:20:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:17,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:17,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 22:20:17,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:18,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:20:21,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 89 transitions. [2024-11-13 22:20:21,618 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-11-13 22:20:21,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:20:21,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:21,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:21,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:21,621 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:21,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:20:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:22,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:22,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 22:20:22,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:23,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:20:26,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:26,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 64 states and 95 transitions. [2024-11-13 22:20:26,720 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2024-11-13 22:20:26,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:20:26,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:26,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:26,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:26,724 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:26,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:20:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:27,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:27,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 22:20:27,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:29,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:20:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2024-11-13 22:20:32,894 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2024-11-13 22:20:32,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:20:32,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:32,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:32,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:32,897 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:32,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:20:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:33,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:33,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-13 22:20:33,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:35,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:20:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 72 states and 107 transitions. [2024-11-13 22:20:38,983 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2024-11-13 22:20:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:20:38,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:38,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:38,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:38,987 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:38,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:20:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:39,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:40,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 22:20:40,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:41,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:20:45,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:45,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 76 states and 113 transitions. [2024-11-13 22:20:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 113 transitions. [2024-11-13 22:20:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 22:20:45,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:45,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:45,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:45,412 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:45,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:20:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:46,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:46,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 22:20:46,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:47,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:20:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2024-11-13 22:20:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2024-11-13 22:20:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 22:20:52,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:52,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:52,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:52,897 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:52,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:20:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:54,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:54,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-13 22:20:54,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:56,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:21:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 84 states and 125 transitions. [2024-11-13 22:21:01,737 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2024-11-13 22:21:01,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 22:21:01,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:01,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:01,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:01,743 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:01,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:21:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:02,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:02,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-13 22:21:02,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:04,941 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:04,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:21:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2024-11-13 22:21:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2024-11-13 22:21:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 22:21:11,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:11,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:11,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:11,475 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:11,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:21:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:12,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:13,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 22:21:13,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:15,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 22:21:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 92 states and 137 transitions. [2024-11-13 22:21:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2024-11-13 22:21:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 22:21:21,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:21,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:21,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:21,194 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:21,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:21:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:22,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:22,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-13 22:21:22,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:25,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:21:31,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:31,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 96 states and 143 transitions. [2024-11-13 22:21:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 143 transitions. [2024-11-13 22:21:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 22:21:31,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:31,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:31,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:31,138 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:31,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:21:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:32,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:33,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-13 22:21:33,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:35,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 22:21:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 100 states and 149 transitions. [2024-11-13 22:21:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2024-11-13 22:21:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 22:21:43,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:43,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:43,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:43,100 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:43,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:21:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:44,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:44,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-13 22:21:44,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:47,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 22:21:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 104 states and 155 transitions. [2024-11-13 22:21:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2024-11-13 22:21:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 22:21:54,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:54,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:54,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:54,658 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:54,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:21:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:56,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:56,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-13 22:21:56,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:21:58,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 22:22:05,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2024-11-13 22:22:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2024-11-13 22:22:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 22:22:05,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:05,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:05,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:05,469 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:05,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:22:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:07,019 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:22:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:07,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-13 22:22:07,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:09,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:09,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 22:22:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 167 transitions. [2024-11-13 22:22:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 167 transitions. [2024-11-13 22:22:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 22:22:16,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:16,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:16,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:16,642 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:16,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 22:22:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:18,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:22:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:18,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-13 22:22:18,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:20,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 22:22:28,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 116 states and 173 transitions. [2024-11-13 22:22:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 173 transitions. [2024-11-13 22:22:28,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 22:22:28,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:28,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:28,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:28,122 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:28,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 22:22:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:29,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:22:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:30,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-13 22:22:30,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:32,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 22:22:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 120 states and 179 transitions. [2024-11-13 22:22:40,221 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 179 transitions. [2024-11-13 22:22:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 22:22:40,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:40,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:40,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:40,224 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:40,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 22:22:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:41,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:22:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:42,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-13 22:22:42,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:44,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 22:22:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:53,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 124 states and 185 transitions. [2024-11-13 22:22:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 185 transitions. [2024-11-13 22:22:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 22:22:53,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:53,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:53,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:22:53,423 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:22:53,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 22:22:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:55,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:22:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:55,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-13 22:22:55,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:58,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 22:23:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 128 states and 191 transitions. [2024-11-13 22:23:06,963 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 191 transitions. [2024-11-13 22:23:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 22:23:06,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:06,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:06,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:06,965 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:06,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 22:23:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:08,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:09,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-13 22:23:09,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:11,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 0 proven. 1457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:11,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 22:23:21,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:21,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 132 states and 197 transitions. [2024-11-13 22:23:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 197 transitions. [2024-11-13 22:23:21,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 22:23:21,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:21,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:21,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:21,160 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:21,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 22:23:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:23,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:23,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-13 22:23:23,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 0 proven. 1552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:26,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 22:23:35,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 136 states and 203 transitions. [2024-11-13 22:23:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 203 transitions. [2024-11-13 22:23:35,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 22:23:35,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:35,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:35,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:35,646 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:35,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 22:23:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:37,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:37,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-13 22:23:37,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 0 proven. 1650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:41,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 22:23:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 140 states and 209 transitions. [2024-11-13 22:23:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 209 transitions. [2024-11-13 22:23:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 22:23:50,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:50,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:50,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:50,943 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:50,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 22:23:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:53,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:53,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-13 22:23:53,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 0 proven. 1751 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:56,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 22:24:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 144 states and 215 transitions. [2024-11-13 22:24:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 215 transitions. [2024-11-13 22:24:06,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-13 22:24:06,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:06,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:06,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:06,880 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:06,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 22:24:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:09,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:24:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:09,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-13 22:24:09,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:12,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 1855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:12,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-13 22:24:23,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 148 states and 221 transitions. [2024-11-13 22:24:23,693 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2024-11-13 22:24:23,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-13 22:24:23,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:23,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:23,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:23,696 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:23,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 22:24:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:26,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:24:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:26,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-13 22:24:26,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 0 proven. 1962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:29,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 22:24:41,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 152 states and 227 transitions. [2024-11-13 22:24:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 227 transitions. [2024-11-13 22:24:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 22:24:41,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:41,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:41,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:41,229 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:41,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 22:24:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:43,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:24:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:44,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-13 22:24:44,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 0 proven. 2072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:47,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 22:24:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 156 states and 233 transitions. [2024-11-13 22:24:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 233 transitions. [2024-11-13 22:24:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 22:24:59,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:59,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:59,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:59,500 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:59,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 22:25:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:02,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:02,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-13 22:25:02,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:05,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2185 backedges. 0 proven. 2185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:05,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 22:25:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2024-11-13 22:25:18,479 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2024-11-13 22:25:18,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 22:25:18,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:18,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:18,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:18,483 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:18,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 22:25:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:21,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:21,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-13 22:25:21,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:25,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 22:25:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 164 states and 245 transitions. [2024-11-13 22:25:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 245 transitions. [2024-11-13 22:25:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 22:25:38,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:38,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:38,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:38,181 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:38,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 22:25:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:41,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:41,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-13 22:25:41,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:45,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-13 22:25:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:58,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 168 states and 251 transitions. [2024-11-13 22:25:58,769 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 251 transitions. [2024-11-13 22:25:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-13 22:25:58,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:58,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:58,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:58,773 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:58,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 22:26:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:01,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:26:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:02,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-13 22:26:02,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:26:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2542 backedges. 0 proven. 2542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:06,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-13 22:26:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 172 states and 257 transitions. [2024-11-13 22:26:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 257 transitions. [2024-11-13 22:26:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 22:26:20,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:20,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:26:20,704 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:26:20,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 22:26:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:23,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:26:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:24,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-11-13 22:26:24,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:26:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 0 proven. 2667 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:28,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-13 22:26:43,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 176 states and 263 transitions. [2024-11-13 22:26:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 263 transitions. [2024-11-13 22:26:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-13 22:26:43,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:43,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:43,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:26:43,315 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:26:43,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 22:26:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:46,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:26:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:46,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-11-13 22:26:46,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:26:51,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2795 backedges. 0 proven. 2795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:51,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 22:27:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 180 states and 269 transitions. [2024-11-13 22:27:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2024-11-13 22:27:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-13 22:27:07,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:07,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:07,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:07,509 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:07,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 22:27:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:10,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:11,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-13 22:27:11,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:15,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 22:27:31,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 184 states and 275 transitions. [2024-11-13 22:27:31,963 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 275 transitions. [2024-11-13 22:27:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 22:27:31,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:31,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:31,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:31,966 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:31,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 22:27:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:35,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:35,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-13 22:27:35,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3060 backedges. 0 proven. 3060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:40,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 22:27:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 188 states and 281 transitions. [2024-11-13 22:27:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 281 transitions. [2024-11-13 22:27:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 22:27:57,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:57,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:57,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:57,255 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:57,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 22:28:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:00,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:01,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-11-13 22:28:01,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3197 backedges. 0 proven. 3197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:06,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 22:28:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 192 states and 287 transitions. [2024-11-13 22:28:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 287 transitions. [2024-11-13 22:28:23,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-13 22:28:23,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:23,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:23,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:23,250 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:23,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 22:28:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:26,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:27,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-13 22:28:27,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3337 backedges. 0 proven. 3337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:32,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 22:28:50,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 196 states and 293 transitions. [2024-11-13 22:28:50,228 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 293 transitions. [2024-11-13 22:28:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 22:28:50,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:50,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:50,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:50,230 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:50,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 22:28:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:54,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:54,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-11-13 22:28:54,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3480 backedges. 0 proven. 3480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:00,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 22:29:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:19,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 200 states and 299 transitions. [2024-11-13 22:29:19,284 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 299 transitions. [2024-11-13 22:29:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 22:29:19,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:19,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:19,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:19,289 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:19,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 22:29:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:23,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:23,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-13 22:29:23,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 0 proven. 3626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:28,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 22:29:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 204 states and 305 transitions. [2024-11-13 22:29:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 305 transitions. [2024-11-13 22:29:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-13 22:29:48,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:48,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:48,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:48,498 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:48,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 22:29:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:52,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:53,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 121 conjuncts are in the unsatisfiable core [2024-11-13 22:29:53,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3775 backedges. 0 proven. 3775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:58,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 22:30:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 208 states and 311 transitions. [2024-11-13 22:30:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2024-11-13 22:30:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 22:30:18,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:18,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:18,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:18,506 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:18,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 22:30:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:22,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:23,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-11-13 22:30:23,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 3927 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:30:28,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 22:30:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 212 states and 317 transitions. [2024-11-13 22:30:50,057 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 317 transitions. [2024-11-13 22:30:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 22:30:50,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:50,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:50,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:50,064 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:50,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 22:30:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:54,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:54,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-13 22:30:54,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4082 backedges. 0 proven. 4082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:31:01,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-13 22:31:23,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:23,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 216 states and 323 transitions. [2024-11-13 22:31:23,293 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 323 transitions. [2024-11-13 22:31:23,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 22:31:23,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:23,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:31:23,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:31:23,297 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:31:23,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 22:31:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:27,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:31:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:28,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-11-13 22:31:28,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:34,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4240 backedges. 0 proven. 4240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:31:34,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-13 22:31:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 220 states and 329 transitions. [2024-11-13 22:31:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 329 transitions. [2024-11-13 22:31:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 22:31:56,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:56,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:31:56,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:31:56,612 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:31:56,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 22:32:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:01,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:01,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-13 22:32:01,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4401 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:32:07,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-13 22:32:31,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 224 states and 335 transitions. [2024-11-13 22:32:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 335 transitions. [2024-11-13 22:32:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-13 22:32:31,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:31,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:31,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:31,077 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:31,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 22:32:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:35,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:36,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-11-13 22:32:36,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4565 backedges. 0 proven. 4565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:32:42,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-13 22:33:07,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 228 states and 341 transitions. [2024-11-13 22:33:07,593 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 341 transitions. [2024-11-13 22:33:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-13 22:33:07,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:07,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:07,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:07,596 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:07,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 22:33:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:12,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:13,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-11-13 22:33:13,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:19,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 0 proven. 4732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:19,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 22:33:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 232 states and 347 transitions. [2024-11-13 22:33:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 347 transitions. [2024-11-13 22:33:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-13 22:33:44,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:44,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:44,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:44,440 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:44,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd72020f-878f-403f-a0e3-055a909bbc7a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 22:33:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:49,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:50,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-13 22:33:50,120 INFO L278 TraceCheckSpWp]: Computing forward predicates...