./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:34,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:34,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:05:34,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:34,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:34,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:34,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:34,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:34,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:34,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:34,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:34,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:34,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:34,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:34,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:34,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:34,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:34,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:34,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:34,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:34,759 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:34,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:34,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:34,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:34,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:34,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:34,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:34,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:34,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:34,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:34,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:34,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:34,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:34,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2024-11-08 22:05:34,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:35,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:35,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:35,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:35,016 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:35,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i Unable to find full path for "g++" [2024-11-08 22:05:37,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:37,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:37,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2024-11-08 22:05:37,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/data/264a4f101/1a71a040b6254464bda29edef146ce32/FLAG553800ce1 [2024-11-08 22:05:37,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/data/264a4f101/1a71a040b6254464bda29edef146ce32 [2024-11-08 22:05:37,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:37,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:37,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:37,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:37,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:37,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e097c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37, skipping insertion in model container [2024-11-08 22:05:37,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:37,596 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_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2024-11-08 22:05:37,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:37,642 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:37,652 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_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2024-11-08 22:05:37,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:37,681 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:37,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37 WrapperNode [2024-11-08 22:05:37,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:37,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:37,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:37,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:37,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,716 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-08 22:05:37,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:37,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:37,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:37,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:37,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:37,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:37,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:37,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:37,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:37,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:37,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:37,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:05:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:05:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:37,918 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:37,920 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:38,153 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:38,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:38,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:38,256 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:05:38,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:38 BoogieIcfgContainer [2024-11-08 22:05:38,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:38,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:38,258 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:38,270 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:38,271 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-08 22:05:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-08 22:05:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:38,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:38,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:38,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:39,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:39,134 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:39,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:39 ImpRootNode [2024-11-08 22:05:39,225 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:39,226 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:39,226 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:39,227 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:39,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:38" (3/4) ... [2024-11-08 22:05:39,232 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:39,234 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:39,236 INFO L158 Benchmark]: Toolchain (without parser) took 1856.89ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 138.6MB in the beginning and 201.0MB in the end (delta: -62.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:39,237 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 180.4MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:39,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.37ms. Allocated memory is still 180.4MB. Free memory was 138.6MB in the beginning and 125.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:39,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.17ms. Allocated memory is still 180.4MB. Free memory was 125.4MB in the beginning and 123.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:39,240 INFO L158 Benchmark]: Boogie Preprocessor took 24.27ms. Allocated memory is still 180.4MB. Free memory was 123.3MB in the beginning and 122.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:39,240 INFO L158 Benchmark]: RCFGBuilder took 514.04ms. Allocated memory is still 180.4MB. Free memory was 122.2MB in the beginning and 105.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:39,241 INFO L158 Benchmark]: CodeCheck took 968.16ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 105.0MB in the beginning and 202.1MB in the end (delta: -97.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:39,242 INFO L158 Benchmark]: Witness Printer took 8.27ms. Allocated memory is still 237.0MB. Free memory is still 201.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:39,245 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someUnaryDOUBLEoperation at line 31. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 4; [L23] unsigned long int var_1_3 = 3854620897; [L24] unsigned long int var_1_4 = 1; [L25] unsigned long int var_1_5 = 5; [L26] unsigned long int var_1_6 = 1934698459; [L27] unsigned long int var_1_7 = 1000000000; [L28] unsigned long int var_1_8 = 0; [L29] unsigned long int var_1_9 = 16; [L30] double var_1_10 = 31.375; [L31] double var_1_11 = -0.6; [L71] isInitial = 1 [L72] FCALL initially() [L73] COND TRUE 1 [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L43] var_1_3 = __VERIFIER_nondet_ulong() [L44] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L45] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L46] var_1_4 = __VERIFIER_nondet_ulong() [L47] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L48] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L49] var_1_5 = __VERIFIER_nondet_ulong() [L50] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L51] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L52] var_1_6 = __VERIFIER_nondet_ulong() [L53] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L54] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L55] var_1_7 = __VERIFIER_nondet_ulong() [L56] CALL assume_abort_if_not(var_1_7 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_7 >= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=16] [L57] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=16] [L58] var_1_8 = __VERIFIER_nondet_ulong() [L59] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_9=16] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_9=16] [L60] CALL assume_abort_if_not(var_1_8 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_8 <= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=16] [L61] var_1_11 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=16] [L75] RET updateVariables() [L76] CALL step() [L35] var_1_9 = var_1_7 [L36] var_1_10 = var_1_11 [L37] unsigned long int stepLocal_0 = var_1_9; [L38] COND TRUE stepLocal_0 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) [L39] var_1_1 = (var_1_4 + (var_1_6 - (var_1_7 - var_1_8))) [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return (((var_1_9 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((unsigned long int) (var_1_4 + (var_1_6 - (var_1_7 - var_1_8))))) : 1) && (var_1_9 == ((unsigned long int) var_1_7))) && (var_1_10 == ((double) var_1_11)) ; [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_1=5368709120, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=-7516192769] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_1=5368709120, var_1_3=-2147483649, var_1_4=1073741824, var_1_5=-3221225472, var_1_6=-3221225473, var_1_7=-7516192769, var_1_8=0, var_1_9=-7516192769] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 180.4MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.37ms. Allocated memory is still 180.4MB. Free memory was 138.6MB in the beginning and 125.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.17ms. Allocated memory is still 180.4MB. Free memory was 125.4MB in the beginning and 123.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.27ms. Allocated memory is still 180.4MB. Free memory was 123.3MB in the beginning and 122.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.04ms. Allocated memory is still 180.4MB. Free memory was 122.2MB in the beginning and 105.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 968.16ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 105.0MB in the beginning and 202.1MB in the end (delta: -97.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.27ms. Allocated memory is still 237.0MB. Free memory is still 201.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:39,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:41,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:41,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:05:41,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:41,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:41,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:41,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:41,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:41,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:41,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:41,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:41,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:41,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:41,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:41,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:41,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:41,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:05:41,952 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:05:41,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:41,956 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:05:41,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:41,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:41,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:41,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:41,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:41,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:41,961 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:41,961 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:05:41,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:41,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:41,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:41,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:41,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:41,963 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:05:41,963 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:41,963 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:05:41,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2024-11-08 22:05:42,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:42,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:42,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:42,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:42,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:42,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i Unable to find full path for "g++" [2024-11-08 22:05:44,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:44,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:44,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2024-11-08 22:05:44,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/data/341a50648/7f5f351062ae4b029019ab5bbaac6877/FLAG40a67204e [2024-11-08 22:05:44,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/data/341a50648/7f5f351062ae4b029019ab5bbaac6877 [2024-11-08 22:05:44,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:44,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:44,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:44,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:44,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:44,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:44,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65186689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:44, skipping insertion in model container [2024-11-08 22:05:44,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:44" (1/1) ... [2024-11-08 22:05:45,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:45,275 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_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2024-11-08 22:05:45,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:45,344 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:45,358 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_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2024-11-08 22:05:45,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:45,409 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:45,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45 WrapperNode [2024-11-08 22:05:45,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:45,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:45,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:45,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:45,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,481 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-08 22:05:45,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:45,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:45,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:45,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:45,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:45,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:45,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:45,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:45,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:45,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:45,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:45,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:05:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:05:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:05:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:45,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:45,744 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:46,005 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:46,005 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:46,112 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:46,113 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:05:46,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:46 BoogieIcfgContainer [2024-11-08 22:05:46,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:46,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:46,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:46,127 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:46,129 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:46" (1/1) ... [2024-11-08 22:05:46,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-08 22:05:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-08 22:05:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:46,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:46,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:46,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:46,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:46,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:05:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:46,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:46,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:46,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:05:48,657 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:05:48,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:05:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:49,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:05:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:05:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:49,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:49,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:49,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:49,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:49,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:05:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:50,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:50,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:50,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:05:51,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:05:51,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:51,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:05:51,261 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:05:51,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:51,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:51,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:51,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:51,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:51,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:05:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:51,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:51,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:51,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:05:52,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:05:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:05:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:05:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:52,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:52,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:52,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:52,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:05:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:53,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:53,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:53,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:05:53,945 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:05:53,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:05:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:05:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:05:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:53,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:53,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:53,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:53,966 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:53,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:05:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:54,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:54,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:54,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:05:55,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:05:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:05:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:05:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:55,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:55,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:55,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:55,153 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:55,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:05:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:55,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:55,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:55,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:05:56,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:05:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:56,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:05:56,341 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:05:56,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:56,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:56,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:56,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:56,345 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:56,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:05:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:56,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:56,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:56,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:05:57,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:05:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:05:57,297 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:05:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:57,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:57,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:57,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:57,303 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:57,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:05:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:57,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:57,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:57,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:58,206 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:05:58,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 22:05:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:05:58,216 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:05:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:58,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:58,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:58,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:58,223 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:58,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:05:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:58,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:58,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:58,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:05:59,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:05:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:59,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:05:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:05:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:05:59,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:59,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:59,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:59,183 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:59,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:05:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:59,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:05:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:59,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:05:59,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:00,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:00,427 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:00,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:00,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:00,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:00,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:00,431 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:00,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:06:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:00,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:00,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:00,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:01,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:01,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:01,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:01,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:01,438 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:01,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:06:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:01,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:01,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:01,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:02,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:02,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:02,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:02,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:02,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:02,311 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:02,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:06:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:02,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:02,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:02,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:03,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:03,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:03,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:03,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:03,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:03,494 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:03,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:06:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:03,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:03,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:03,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:04,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 22:06:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:04,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:04,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:04,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:04,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:04,385 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:04,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:06:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:04,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:04,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:04,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:05,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:05,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:05,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:05,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:05,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:05,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:05,326 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:05,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:06:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:05,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:05,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:05,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:06,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 22:06:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:06,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:06,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:06,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:06,149 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:06,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:06:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:06,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:06,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:06,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:07,035 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:07,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:07,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:07,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:07,047 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:07,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:06:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:07,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:07,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:07,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:07,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:07,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:07,926 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:07,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:07,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:07,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:07,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:07,930 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:07,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:06:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:08,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:08,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:08,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:08,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:08,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:08,778 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:08,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:08,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:08,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:08,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:08,782 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:08,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:06:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:09,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:09,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:09,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:09,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:09,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:09,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:09,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:09,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:09,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:09,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:09,611 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:09,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:06:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:09,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:09,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:09,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:10,418 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:10,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:10,425 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:10,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:10,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:10,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:10,427 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:10,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:06:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:10,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:10,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:10,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:11,211 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:11,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:11,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:11,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:11,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:11,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:11,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:11,221 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:11,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:06:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:11,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:11,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:11,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:11,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-08 22:06:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:11,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:11,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:11,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:12,003 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:12,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:06:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:12,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:12,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:12,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:12,907 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:12,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:12,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:12,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:12,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:12,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:12,923 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:12,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:06:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:13,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:13,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:13,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:13,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 22:06:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:13,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:13,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:13,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:13,815 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:13,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:06:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:14,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:14,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:14,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:14,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-08 22:06:14,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:14,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:14,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:14,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:14,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:14,638 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:14,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:06:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:14,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:15,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:15,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:15,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 22:06:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:15,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:15,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:15,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:15,516 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:15,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:06:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:15,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:15,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:15,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:16,283 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:16,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:16,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:16,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:16,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:16,293 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:16,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:06:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:16,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:16,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:16,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:17,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:17,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:17,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:17,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:17,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:17,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:17,132 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:17,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:06:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:17,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:17,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:17,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:17,937 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:17,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-08 22:06:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:17,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:17,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:17,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:17,948 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:17,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:06:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:18,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:18,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:18,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:18,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:18,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:18,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:18,770 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:18,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:18,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:18,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:18,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:18,774 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:18,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:06:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:19,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:19,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:19,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:19,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:19,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:19,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:19,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:19,734 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:19,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:06:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:20,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:20,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:20,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:20,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-08 22:06:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:20,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:20,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:20,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:20,661 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:20,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:06:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:20,924 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:20,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:20,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:21,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:21,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:21,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:21,404 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:21,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:21,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:21,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:21,405 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:21,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:06:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:21,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:21,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:21,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:22,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 22:06:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:22,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:22,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:22,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:22,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:22,173 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:22,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:06:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:22,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:22,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:22,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:23,106 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:23,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:23,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:23,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:23,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:23,113 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:23,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:06:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:23,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:23,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:23,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:23,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:23,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:23,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:23,936 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:23,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:06:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:24,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:24,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:24,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:24,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:24,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:24,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:24,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:24,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:24,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:24,734 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:24,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:06:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:25,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:25,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:25,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:25,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:25,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:25,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:25,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:25,579 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:25,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:06:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:25,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:25,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:25,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:26,382 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:26,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:26,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:26,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:26,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:26,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:26,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:26,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:26,390 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:26,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:06:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:26,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:26,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:26,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:27,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-08 22:06:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:27,177 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:27,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:27,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:27,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:27,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:27,181 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:27,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:06:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:27,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:27,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:27,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:27,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-08 22:06:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:27,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:27,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:27,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:27,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:27,930 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:27,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:06:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:28,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:28,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:28,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:28,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:28,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:28,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:28,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:28,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:28,821 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:28,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 22:06:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:29,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:29,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:29,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:29,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-08 22:06:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:29,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:29,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:29,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:29,598 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:29,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 22:06:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:29,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:29,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:29,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:30,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-08 22:06:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:30,366 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:30,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:30,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:30,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:30,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:30,368 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:30,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 22:06:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:30,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:30,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:30,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:31,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-08 22:06:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:31,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:31,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:31,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:31,161 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:31,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 22:06:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:31,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:31,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:31,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:31,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-08 22:06:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:31,894 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:31,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:31,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:31,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:31,898 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:31,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 22:06:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:32,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:32,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:32,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:32,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-08 22:06:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:32,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:32,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:32,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:32,755 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:32,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 22:06:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:33,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:33,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:33,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:33,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-08 22:06:33,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:33,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:33,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:33,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:33,534 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:33,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 22:06:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:33,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:33,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:33,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:34,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-08 22:06:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:34,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:34,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:34,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:34,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:34,250 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:34,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 22:06:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:34,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:34,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:34,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:34,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:34,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:34,979 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:34,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:34,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:34,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:34,980 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:34,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 22:06:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:35,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:35,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:35,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:35,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:35,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:35,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:35,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:35,731 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:35,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 22:06:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:36,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:36,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:36,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:36,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-08 22:06:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:36,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:36,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:36,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:36,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:36,616 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:36,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 22:06:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:36,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:36,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:36,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:37,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:37,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:37,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:37,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:37,529 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:37,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 22:06:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:37,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:37,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:37,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:38,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-08 22:06:38,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:38,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:38,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:38,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:38,245 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:38,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 22:06:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:38,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:38,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:38,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:39,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-08 22:06:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:39,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:39,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:39,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:39,052 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:39,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 22:06:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:39,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:39,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:39,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:39,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:39,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:39,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:39,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:39,803 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:39,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 22:06:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:40,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:40,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:40,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:40,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-08 22:06:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:40,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:40,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:40,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:40,538 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:40,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 22:06:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:40,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:40,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:40,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:41,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:41,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:41,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:41,323 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:41,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:41,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:41,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:41,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:41,326 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:41,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 22:06:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:41,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:41,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:41,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:42,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:42,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:42,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:42,076 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:42,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 22:06:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:42,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:42,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:42,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:43,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-08 22:06:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:43,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:43,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:43,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:43,024 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:43,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 22:06:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:43,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:43,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:43,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:43,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:43,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:43,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:43,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:43,941 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:43,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 22:06:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:44,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:44,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:44,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:44,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-08 22:06:44,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:44,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:44,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:44,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:44,748 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:44,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 22:06:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:45,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:45,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:45,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:45,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-08 22:06:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:45,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:45,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:45,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:45,566 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:45,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 22:06:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:45,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:45,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:45,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:46,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-08 22:06:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:46,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:46,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:46,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:46,310 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:46,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 22:06:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:46,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:46,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:46,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:47,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-08 22:06:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:47,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:47,033 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:47,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:47,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:47,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:47,034 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:47,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 22:06:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:47,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:47,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:47,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:47,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 22:06:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:47,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:47,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:47,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:47,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:47,775 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:47,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 22:06:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:48,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:48,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:48,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:48,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-08 22:06:48,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:48,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:48,528 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:48,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:48,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:48,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:48,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:48,532 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:48,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 22:06:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:48,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:48,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:48,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:49,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:49,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:49,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:49,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:49,264 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:49,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 22:06:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:49,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:49,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:49,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:50,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-08 22:06:50,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:50,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:50,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:50,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:50,028 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:50,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 22:06:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:50,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:50,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:50,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:50,750 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:50,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:50,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:50,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:50,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:50,757 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:50,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 22:06:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:51,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:51,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:51,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:51,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:51,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:51,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:51,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:51,473 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:51,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 22:06:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:51,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:51,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:51,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:52,169 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:52,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-08 22:06:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:52,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:52,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:52,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:52,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:52,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:52,175 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:52,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 22:06:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:52,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:52,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:52,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:52,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:52,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:52,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:52,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:52,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:52,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:52,995 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:52,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 22:06:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:53,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:53,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:53,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:53,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:53,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:53,744 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:53,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:53,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:53,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:53,745 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:53,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 22:06:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:53,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:54,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:54,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:54,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:54,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:54,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:54,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:54,472 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:54,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 22:06:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:54,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:54,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:54,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:55,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-08 22:06:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:55,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:55,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:55,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:55,183 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:55,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 22:06:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:55,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:55,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:55,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:56,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:56,086 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:56,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:56,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:56,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:56,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:56,089 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:56,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 22:06:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:56,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:56,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:56,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:56,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-08 22:06:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:56,926 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:56,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:56,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:56,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:56,927 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:56,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 22:06:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:57,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:57,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:57,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:57,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-08 22:06:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:57,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:57,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:57,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:57,676 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:57,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 22:06:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:57,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:57,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:57,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:58,405 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:06:58,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-08 22:06:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:58,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:58,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:58,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:58,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:58,411 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:58,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 22:06:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:58,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:58,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:58,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:59,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-08 22:06:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:59,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:59,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:59,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:59,175 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:59,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 22:06:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:59,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:59,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:59,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:06:59,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:06:59,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:59,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:59,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:59,908 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:59,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 22:07:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:00,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:00,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:00,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:00,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-08 22:07:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:00,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:00,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:00,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:00,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:00,645 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:00,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 22:07:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:00,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:00,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:00,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:01,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-08 22:07:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:01,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:01,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:01,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:01,468 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:01,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 22:07:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:01,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:01,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:01,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:02,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:02,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:02,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:02,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:02,207 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:02,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 22:07:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:02,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:02,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:02,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:03,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-08 22:07:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:03,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:03,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:03,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:03,019 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:03,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 22:07:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:03,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:03,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:03,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:03,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:03,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:03,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:03,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:03,741 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:03,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 22:07:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:03,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:04,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:04,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:04,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:04,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:04,441 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:04,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:04,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:04,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:04,442 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:04,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 22:07:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:04,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:04,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:04,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:05,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-08 22:07:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:05,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:05,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:05,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:05,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:05,147 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:05,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 22:07:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:05,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:05,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:05,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:05,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:05,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:05,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:05,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:05,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:05,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:05,889 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:05,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 22:07:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:06,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:06,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:06,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:06,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-08 22:07:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:06,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:06,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:06,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:06,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:06,611 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:06,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 22:07:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:06,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:07,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:07,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:07,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-08 22:07:07,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:07,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:07,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:07,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:07,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:07,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:07,638 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:07,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 22:07:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:07,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:07,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:07,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:08,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-08 22:07:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:08,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:08,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:08,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:08,335 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:08,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 22:07:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:08,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:08,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:08,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:09,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-08 22:07:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:09,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:09,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:09,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:09,044 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:09,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 22:07:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:09,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:09,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:09,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:09,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-08 22:07:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:09,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:09,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:09,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:09,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:09,764 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:09,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 22:07:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:10,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:10,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:10,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:10,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:10,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:10,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:10,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:10,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:10,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:10,500 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:10,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 22:07:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:10,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:10,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:10,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:11,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-08 22:07:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:11,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:11,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:11,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:11,237 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:11,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 22:07:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:11,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:11,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:11,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:11,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-08 22:07:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:11,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:11,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:11,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:11,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:11,963 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:11,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 22:07:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:12,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:12,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:12,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:12,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-08 22:07:12,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:12,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:12,772 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:12,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:12,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:12,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:12,775 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:12,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 22:07:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:13,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:13,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:13,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:13,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:13,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:13,565 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:13,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:13,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:13,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:13,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:13,567 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:13,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 22:07:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:13,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:13,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:13,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:14,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:14,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:14,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:14,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:14,267 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:14,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 22:07:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:14,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:14,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:14,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:14,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:14,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:14,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:14,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:14,989 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:14,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 22:07:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:15,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:15,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:15,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:15,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-08 22:07:15,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:15,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:15,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:15,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:15,783 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:15,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 22:07:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:16,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:16,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:16,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:16,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-08 22:07:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:16,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:16,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:16,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:16,491 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:16,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 22:07:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:16,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:16,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:16,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:17,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-08 22:07:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:17,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:17,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:17,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:17,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:17,209 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:17,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 22:07:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:17,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:17,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:17,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:18,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:18,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:18,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:18,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:18,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:18,038 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:18,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 22:07:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:18,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:18,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:18,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:18,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-08 22:07:18,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:18,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:18,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:18,907 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:18,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 22:07:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:19,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:19,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:19,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:19,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-08 22:07:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:19,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:19,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:19,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:19,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:19,619 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:19,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 22:07:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:19,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:19,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:19,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:20,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-08 22:07:20,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:20,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:20,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:20,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:20,389 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:20,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 22:07:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:20,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:20,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:20,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:21,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-08 22:07:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:21,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:21,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:21,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:21,285 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:21,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 22:07:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:21,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:21,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:21,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:22,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-08 22:07:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:22,052 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:22,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:22,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:22,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:22,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:22,055 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:22,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 22:07:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:22,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:22,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:22,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:22,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:22,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:22,850 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:22,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:22,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:22,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:22,854 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:22,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 22:07:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:23,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:23,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:23,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:23,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:23,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:23,664 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:23,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:23,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:23,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:23,665 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:23,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 22:07:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:23,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:24,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:24,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:24,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:24,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:24,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:24,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:24,443 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:24,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 22:07:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:24,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:24,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:24,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:25,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-08 22:07:25,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:25,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:25,183 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:25,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:25,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:25,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:25,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:25,185 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:25,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 22:07:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:25,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:25,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:25,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:25,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-08 22:07:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:25,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:25,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:25,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:25,931 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:25,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 22:07:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:26,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:26,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:26,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:26,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-08 22:07:26,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:26,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:26,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:26,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:26,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:26,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:26,633 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:26,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 22:07:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:26,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:26,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:26,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:27,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-08 22:07:27,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:27,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:27,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:27,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:27,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:27,388 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:27,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 22:07:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:27,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:27,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:27,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:28,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-08 22:07:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:28,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:28,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:28,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:28,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:28,103 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:28,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 22:07:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:28,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:28,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:28,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:28,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-08 22:07:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:28,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:28,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:28,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:28,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:28,858 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:28,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 22:07:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:29,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:29,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:29,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:29,639 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:29,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:29,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:29,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:29,646 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:29,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:29,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:29,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:29,649 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:29,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 22:07:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:29,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:29,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:29,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:30,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:30,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:30,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:30,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:30,418 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:30,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 22:07:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:30,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:30,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:30,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:31,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-08 22:07:31,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:31,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:31,122 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:31,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:31,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:31,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:31,124 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:31,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 22:07:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:31,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:31,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:31,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:31,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-08 22:07:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:31,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:31,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:31,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:31,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:31,850 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:31,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 22:07:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:32,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:32,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:32,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:32,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-08 22:07:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:32,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:32,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:32,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:32,688 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:32,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 22:07:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:33,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:33,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:33,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:33,479 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:33,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-08 22:07:33,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:33,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:33,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:33,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:33,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:33,490 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:33,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 22:07:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:33,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:33,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:33,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:34,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:34,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:34,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:34,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:34,277 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:34,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 22:07:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:34,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:34,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:34,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:34,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-08 22:07:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:34,991 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:34,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:34,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:34,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:34,994 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:34,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 22:07:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:35,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:35,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:35,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:35,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-08 22:07:35,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:35,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:35,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:35,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:35,745 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:35,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 22:07:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:36,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:36,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:36,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:36,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-08 22:07:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:36,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:36,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:36,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:36,450 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:36,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 22:07:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:36,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:36,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:36,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:37,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:37,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:37,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:37,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:37,200 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:37,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 22:07:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:37,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:37,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:37,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:37,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-08 22:07:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:37,995 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:37,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:37,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:37,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:37,998 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:37,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 22:07:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:38,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:38,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:38,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:38,818 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:38,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:38,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:38,823 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:38,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:38,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:38,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:38,826 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:38,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 22:07:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:39,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:39,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:39,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:39,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:39,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:39,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:39,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:39,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:39,533 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:39,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 22:07:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:39,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:39,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:39,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:40,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:40,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:40,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:40,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:40,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:40,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:40,240 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:40,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 22:07:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:40,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:40,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:40,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:40,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-08 22:07:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:40,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:40,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:40,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:40,939 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:40,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 22:07:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:41,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:41,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:41,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:41,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-08 22:07:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:41,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:41,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:41,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:41,655 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:41,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 22:07:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:41,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:41,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:41,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:42,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-08 22:07:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:42,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:42,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:42,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:42,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:42,429 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:42,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 22:07:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:42,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:42,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:42,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:43,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-08 22:07:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:43,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:43,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:43,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:43,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:43,276 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:43,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 22:07:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:43,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:43,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:43,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:43,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-08 22:07:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:43,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:43,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:43,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:43,996 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:43,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 22:07:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:44,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:44,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:44,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:44,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:44,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:44,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:44,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:44,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:44,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:44,722 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:44,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 22:07:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:44,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:45,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:45,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:45,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-08 22:07:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:45,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:45,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:45,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:45,507 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:45,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 22:07:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:45,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:45,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:45,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:46,215 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:46,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-08 22:07:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:46,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:46,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:46,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:46,224 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:46,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 22:07:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:46,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:46,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:46,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:46,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-08 22:07:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:46,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:46,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:46,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:46,977 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:46,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 22:07:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:47,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:47,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:47,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:47,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-08 22:07:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:47,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:47,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:47,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:47,725 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:47,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 22:07:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:48,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:48,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:48,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:48,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-08 22:07:48,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:48,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:48,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:48,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:48,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:48,498 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:48,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 22:07:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:48,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:48,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:48,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:49,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-08 22:07:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:49,199 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:49,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:49,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:49,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:49,200 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:49,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 22:07:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:49,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:49,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:49,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:49,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-08 22:07:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:49,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:49,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:49,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:49,936 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:49,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 22:07:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:50,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:50,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:50,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:50,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-08 22:07:50,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:50,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:50,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:50,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:50,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:50,688 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:50,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 22:07:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:50,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:50,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:50,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:51,379 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:51,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-08 22:07:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:51,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:51,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:51,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:51,385 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:51,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 22:07:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:51,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:51,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:51,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:52,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-08 22:07:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:52,168 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:52,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:52,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:52,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:52,170 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:52,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 22:07:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:52,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:52,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:52,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:52,895 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:52,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:52,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:52,901 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:52,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 22:07:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:53,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:53,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:53,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:53,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-08 22:07:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:53,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:53,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:53,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:53,692 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:53,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 22:07:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:54,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:54,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:54,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:54,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:54,459 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:54,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:54,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:54,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:54,461 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:54,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 22:07:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:54,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:54,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:54,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:55,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-08 22:07:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:55,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:55,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:55,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:55,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:55,173 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:55,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 22:07:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:55,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:55,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:55,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:55,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-08 22:07:55,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:55,884 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:55,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:55,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:55,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:55,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:55,885 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:55,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 22:07:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:56,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:56,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:56,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:56,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-08 22:07:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:56,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:56,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:56,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:56,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:56,591 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:56,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 22:07:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:56,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:56,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:56,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:57,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:57,300 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:57,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:57,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:57,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:57,302 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:57,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 22:07:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:57,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:57,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:57,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:58,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-08 22:07:58,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:58,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:58,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:58,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:58,034 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:58,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 22:07:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:58,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:58,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:58,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:58,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-08 22:07:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:58,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:58,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:58,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:58,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:58,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:58,754 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:58,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 22:07:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:59,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:59,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:59,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:07:59,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-08 22:07:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:07:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:07:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:07:59,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:59,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:07:59,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:07:59,483 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:07:59,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-08 22:07:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:59,775 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:07:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:59,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:07:59,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:00,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-08 22:08:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:00,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:00,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:00,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:00,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:00,237 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:00,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-08 22:08:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:00,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:00,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:00,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:00,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-08 22:08:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:00,973 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:00,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:00,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:00,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:00,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:00,976 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:00,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-08 22:08:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:01,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:01,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:01,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:01,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:01,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:01,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:01,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:01,732 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:01,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-08 22:08:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:01,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:02,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:02,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:02,429 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:02,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-08 22:08:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:02,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:02,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:02,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:02,438 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:02,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-08 22:08:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:02,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:02,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:02,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:03,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-08 22:08:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:03,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:03,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:03,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:03,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:03,181 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:03,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-08 22:08:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:03,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:03,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:03,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:04,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-08 22:08:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:04,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:04,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:04,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:04,035 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:04,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-08 22:08:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:04,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:04,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:04,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:04,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-08 22:08:04,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:04,770 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:04,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:04,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:04,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:04,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:04,771 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:04,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-08 22:08:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:05,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:05,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:05,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:05,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-08 22:08:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:05,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:05,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:05,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:05,573 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:05,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-08 22:08:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:05,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:05,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:05,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:06,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:06,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:06,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:06,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:06,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:06,275 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:06,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-08 22:08:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:06,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:06,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:06,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:06,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-08 22:08:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:06,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:06,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:06,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:06,983 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:06,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-08 22:08:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:07,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:07,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:07,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:07,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:07,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:07,743 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:07,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:07,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:07,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:07,744 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:07,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-08 22:08:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:07,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:08,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:08,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:08,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-08 22:08:08,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:08,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:08,501 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:08,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:08,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:08,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:08,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:08,503 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:08,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-08 22:08:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:08,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:08,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:08,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:09,214 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:09,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-08 22:08:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:09,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:09,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:09,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:09,220 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:09,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-08 22:08:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:09,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:09,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:09,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:09,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:09,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:09,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:09,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:09,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:09,952 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:09,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-08 22:08:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:10,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:10,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:10,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:10,761 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:10,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-08 22:08:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:10,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:10,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:10,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:10,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:10,766 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:10,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-08 22:08:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:11,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:11,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:11,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:11,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-08 22:08:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:11,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:11,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:11,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:11,472 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:11,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-08 22:08:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:11,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:11,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:11,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:12,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:12,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:12,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:12,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:12,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:12,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:12,177 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:12,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-08 22:08:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:12,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:12,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:12,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:12,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-08 22:08:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:12,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:12,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:12,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:12,899 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:12,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-08 22:08:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:13,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:13,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:13,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:13,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-08 22:08:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:13,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:13,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:13,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:13,666 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:13,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-08 22:08:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:13,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:14,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:14,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:14,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:14,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:14,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:14,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:14,442 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:14,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-08 22:08:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:14,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:14,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:14,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:15,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-08 22:08:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:15,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:15,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:15,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:15,205 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:15,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-08 22:08:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:15,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:15,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:15,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:15,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-08 22:08:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:15,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:15,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:15,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:15,944 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:15,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-08 22:08:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:16,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:16,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:16,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:16,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:16,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:16,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:16,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:16,677 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:16,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-08 22:08:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:16,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:16,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:16,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:17,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-08 22:08:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:17,388 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:17,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:17,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:17,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:17,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:17,389 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:17,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-08 22:08:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:17,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:17,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:17,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:18,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-08 22:08:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:18,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:18,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:18,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:18,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:18,151 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:18,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-08 22:08:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:18,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:18,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:18,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:18,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:18,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:18,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:18,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:18,905 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:18,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-08 22:08:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:19,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:19,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:19,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:19,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:19,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:19,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:19,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:19,642 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:19,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-08 22:08:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:19,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:19,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:19,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:20,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-08 22:08:20,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:20,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:20,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:20,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:20,431 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:20,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-08 22:08:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:20,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:20,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:20,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:21,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:21,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:21,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:21,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:21,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:21,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:21,271 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:21,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-08 22:08:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:21,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:21,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:21,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:21,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:21,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:21,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:21,993 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:21,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:21,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:21,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:21,994 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:21,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-08 22:08:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:22,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:22,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:22,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:22,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-08 22:08:22,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:22,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:22,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:22,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:22,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:22,770 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:22,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-08 22:08:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:23,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:23,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:23,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:23,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-08 22:08:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:23,491 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:23,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:23,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:23,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:23,495 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:23,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-08 22:08:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:23,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:23,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:23,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:24,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:24,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:24,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:24,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:24,208 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:24,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-08 22:08:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:24,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:24,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:24,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:24,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:24,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:24,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:24,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:24,961 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:24,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-08 22:08:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:25,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:25,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:25,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:25,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:25,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:25,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:25,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:25,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:25,792 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:25,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-08 22:08:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:26,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:26,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:26,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:26,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-08 22:08:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:26,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:26,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:26,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:26,551 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:26,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-08 22:08:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:26,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:26,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:26,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:27,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-08 22:08:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:27,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:27,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:27,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:27,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:27,298 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:27,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-08 22:08:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:27,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:27,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:27,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:27,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-08 22:08:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:27,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:27,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:27,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:28,000 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:28,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-08 22:08:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:28,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:28,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:28,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:28,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:28,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:28,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:28,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:28,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:28,759 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:28,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-08 22:08:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:29,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:29,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:29,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:29,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:29,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:29,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:29,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:29,478 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:29,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-08 22:08:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:29,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:29,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:29,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:30,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-08 22:08:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:30,182 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:30,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:30,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:30,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:30,186 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:30,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-08 22:08:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:30,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:30,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:30,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:30,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-08 22:08:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:30,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:30,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:30,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:30,937 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:30,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-08 22:08:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:31,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:31,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:31,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:31,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-08 22:08:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:31,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:31,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:31,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:31,681 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:31,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-08 22:08:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:31,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:31,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:31,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:32,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-08 22:08:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:32,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:32,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:32,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:32,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:32,388 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:32,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-08 22:08:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:32,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:32,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:32,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:33,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:33,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:33,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:33,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:33,268 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:33,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-08 22:08:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:33,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:33,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:33,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:34,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:34,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:34,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:34,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:34,094 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:34,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-08 22:08:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:34,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:34,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:34,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:34,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:34,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:34,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:34,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:34,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:34,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:34,818 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:34,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-08 22:08:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:35,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:35,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:35,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:35,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:35,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:35,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:35,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:35,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:35,590 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:35,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-08 22:08:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:35,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:35,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:35,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:36,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-08 22:08:36,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:36,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:36,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:36,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:36,300 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:36,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-08 22:08:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:36,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:36,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:36,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:37,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-08 22:08:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:37,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:37,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:37,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:37,131 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:37,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-08 22:08:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:37,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:37,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:37,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:37,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-08 22:08:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:37,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:37,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:37,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:37,838 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:37,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-08 22:08:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:38,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:38,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:38,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:38,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-08 22:08:38,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:38,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:38,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:38,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:38,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:38,561 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:38,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-08 22:08:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:38,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:38,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:38,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:39,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-08 22:08:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:39,274 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:39,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:39,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:39,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:39,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:39,275 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:39,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-08 22:08:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:39,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:39,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:39,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:39,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-08 22:08:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:39,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:39,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:39,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:39,980 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:39,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-08 22:08:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:40,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:40,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:40,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:40,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-08 22:08:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:40,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:40,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:40,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:40,701 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:40,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-08 22:08:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:40,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:41,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:41,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:41,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:41,427 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:41,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:41,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:41,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:41,428 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:41,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-08 22:08:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:41,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:41,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:41,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:42,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-08 22:08:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:42,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:42,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:42,124 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:42,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-08 22:08:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:42,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:42,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:42,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:42,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-08 22:08:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:42,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:42,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:42,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:42,949 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:42,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-08 22:08:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:43,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:43,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:43,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:43,698 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:43,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-08 22:08:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:43,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:43,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:43,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:43,706 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:43,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-08 22:08:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:44,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:44,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:44,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:44,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-08 22:08:44,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:44,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:44,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:44,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:44,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:44,464 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:44,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-08 22:08:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:44,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:44,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:44,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:45,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-08 22:08:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:45,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:45,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:45,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:45,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:45,224 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:45,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-08 22:08:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:45,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:45,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:45,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:46,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-08 22:08:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:46,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:46,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:46,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:46,028 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:46,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-08 22:08:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:46,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:46,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:46,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:46,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-08 22:08:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:46,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:46,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:46,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:46,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:46,738 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:46,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-08 22:08:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:46,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:47,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:47,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:47,440 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:47,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:47,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:47,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:47,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:47,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:47,447 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:47,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-08 22:08:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:47,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:47,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:47,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:48,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-08 22:08:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:48,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:48,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:48,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:48,183 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:48,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-08 22:08:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:48,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:48,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:48,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:48,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-08 22:08:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:48,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:48,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:48,892 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:48,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-08 22:08:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:49,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:49,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:49,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:49,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-08 22:08:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:49,624 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:49,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:49,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:49,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:49,627 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:49,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-08 22:08:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:49,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:49,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:49,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:50,357 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:50,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-08 22:08:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:50,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:50,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:50,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:50,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:50,364 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:50,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-08 22:08:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:50,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:50,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:50,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:51,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-08 22:08:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:51,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:51,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:51,069 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:51,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-08 22:08:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:51,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:51,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:51,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:51,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-08 22:08:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:51,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:51,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:51,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:51,824 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:51,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-08 22:08:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:52,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:52,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:52,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:52,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:52,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:52,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:52,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:52,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:52,530 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:52,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-08 22:08:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:52,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:52,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:52,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:53,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:53,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:53,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:53,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:53,427 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:53,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-08 22:08:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:53,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:53,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:53,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:54,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-08 22:08:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:54,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:54,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:54,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:54,237 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:54,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-08 22:08:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:54,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:54,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:54,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:54,968 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:54,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:54,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:54,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:54,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:54,975 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:54,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-08 22:08:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:55,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:55,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:55,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:55,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-08 22:08:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:55,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:55,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:55,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:55,826 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:55,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-08 22:08:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:56,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:56,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:56,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:56,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:56,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:56,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:56,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:56,523 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:56,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-08 22:08:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:56,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:56,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:56,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:57,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-08 22:08:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:57,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:57,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:57,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:57,265 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:57,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-08 22:08:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:57,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:57,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:57,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:58,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:58,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:58,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:58,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:58,006 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:58,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-08 22:08:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:58,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:58,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:58,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:58,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:58,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:58,724 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:58,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:58,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:58,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:58,725 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:58,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-08 22:08:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:58,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:59,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:59,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:08:59,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-08 22:08:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:08:59,432 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:08:59,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:08:59,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:59,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:59,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:59,434 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:59,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-08 22:08:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:59,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:59,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:08:59,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:00,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-08 22:09:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:00,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:00,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:00,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:00,145 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:00,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-08 22:09:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:00,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:00,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:00,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:00,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:00,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:00,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:00,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:00,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:00,902 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:00,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-08 22:09:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:01,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:01,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:01,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:01,738 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:01,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-08 22:09:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:01,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:01,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:01,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:01,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:01,744 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:01,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-08 22:09:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:02,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:02,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:02,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:02,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:02,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:02,446 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:02,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:02,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:02,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:02,453 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:02,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-08 22:09:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:02,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:02,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:02,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:03,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-08 22:09:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:03,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:03,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:03,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:03,314 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:03,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-08 22:09:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:03,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:03,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:03,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:04,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-08 22:09:04,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:04,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:04,039 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:04,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:04,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:04,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:04,042 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:04,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-08 22:09:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:04,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:04,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:04,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:04,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-08 22:09:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:04,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:04,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:04,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:04,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:04,749 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:04,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-08 22:09:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:05,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:05,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:05,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:05,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:05,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:05,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:05,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:05,515 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:05,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-08 22:09:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:05,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:05,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:05,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:06,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-08 22:09:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:06,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:06,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:06,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:06,256 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:06,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-08 22:09:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:06,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:06,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:06,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:06,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-08 22:09:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:06,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:06,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:06,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:06,967 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:06,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-08 22:09:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:07,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:07,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:07,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:07,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-08 22:09:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:07,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:07,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:07,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:07,711 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:07,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-08 22:09:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:07,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:07,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:07,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:08,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:08,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:08,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:08,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:08,426 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:08,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-08 22:09:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:08,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:08,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:08,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:09,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:09,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:09,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:09,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:09,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:09,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:09,155 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:09,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-08 22:09:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:09,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:09,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:09,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:09,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-08 22:09:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:09,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:09,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:09,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:09,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:09,904 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:09,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-08 22:09:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:10,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:10,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:10,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:10,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-08 22:09:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:10,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:10,723 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:10,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:10,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:10,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:10,724 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:10,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-08 22:09:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:10,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:11,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:11,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:11,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-08 22:09:11,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:11,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:11,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:11,430 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:11,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-08 22:09:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:11,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:11,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:11,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:12,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-08 22:09:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:12,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:12,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:12,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:12,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:12,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:12,171 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:12,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-08 22:09:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:12,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:12,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:12,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:13,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:13,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:13,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:13,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:13,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:13,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:13,041 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:13,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-08 22:09:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:13,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:13,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:13,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:13,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:13,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:13,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:13,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:13,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:13,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:13,800 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:13,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-08 22:09:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:14,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:14,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:14,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:14,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:14,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:14,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:14,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:14,494 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:14,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-08 22:09:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:14,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:14,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:14,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:15,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-08 22:09:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:15,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:15,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:15,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:15,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:15,246 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:15,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-08 22:09:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:15,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:15,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:15,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:16,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-08 22:09:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:16,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:16,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:16,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:16,026 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:16,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-08 22:09:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:16,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:16,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:16,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:16,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-08 22:09:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:16,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:16,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:16,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:16,739 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:16,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-08 22:09:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:16,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:17,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:17,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:17,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:17,453 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:17,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:17,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:17,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:17,454 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:17,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-08 22:09:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:17,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:17,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:17,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:18,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-08 22:09:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:18,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:18,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:18,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:18,195 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:18,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-08 22:09:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:18,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:18,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:18,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:18,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-08 22:09:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:18,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:18,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:18,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:18,933 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:18,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-08 22:09:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:19,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:19,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:19,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:19,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-08 22:09:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:19,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:19,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:19,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:19,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:19,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:19,648 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:19,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-08 22:09:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:19,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:19,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:19,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:20,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-08 22:09:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:20,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:20,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:20,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:20,358 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:20,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-08 22:09:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:20,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:20,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:20,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:21,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-08 22:09:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:21,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:21,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:21,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:21,104 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:21,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-08 22:09:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:21,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:21,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:21,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:21,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-08 22:09:21,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:21,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:21,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:21,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:21,807 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:21,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-08 22:09:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:22,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:22,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:22,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:22,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-08 22:09:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:22,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:22,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:22,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:22,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:22,505 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:22,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-08 22:09:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:22,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:22,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:22,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:23,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-08 22:09:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:23,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:23,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:23,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:23,367 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:23,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-08 22:09:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:23,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:23,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:23,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:24,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-08 22:09:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:24,064 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:24,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:24,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:24,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:24,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:24,065 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:24,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-08 22:09:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:24,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:24,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:24,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:24,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-08 22:09:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:24,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:24,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:24,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:24,776 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:24,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-08 22:09:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:25,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:25,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:25,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:25,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:25,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:25,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:25,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:25,534 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:25,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-08 22:09:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:25,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:25,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:25,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:26,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-08 22:09:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:26,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:26,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:26,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:26,243 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:26,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-08 22:09:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:26,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:26,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:26,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:26,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-08 22:09:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:27,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:27,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:27,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:27,001 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:27,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-08 22:09:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:27,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:27,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:27,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:27,697 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:27,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:27,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:27,702 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:27,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:27,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:27,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:27,703 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:27,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-08 22:09:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:27,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:27,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:27,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:28,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-08 22:09:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:28,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:28,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:28,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:28,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:28,405 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:28,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-08 22:09:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:28,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:28,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:28,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:29,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-08 22:09:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:29,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:29,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:29,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:29,130 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:29,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-08 22:09:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:29,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:29,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:29,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:29,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:29,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:29,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:29,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:29,839 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:29,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-08 22:09:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:30,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:30,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:30,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:30,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-08 22:09:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:30,540 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:30,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:30,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:30,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:30,541 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:30,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-08 22:09:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:30,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:30,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:30,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:31,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-08 22:09:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:31,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:31,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:31,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:31,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:31,246 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:31,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-08 22:09:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:31,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:31,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:31,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:31,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-08 22:09:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:31,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:31,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:31,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:31,939 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:31,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-08 22:09:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:32,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:32,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:32,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:32,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-08 22:09:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:32,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:32,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:32,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:32,786 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:32,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-08 22:09:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:33,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:33,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:33,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:33,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-08 22:09:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:33,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:33,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:33,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:33,522 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:33,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-08 22:09:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:33,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:33,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:33,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:34,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-08 22:09:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:34,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:34,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:34,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:34,233 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:34,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-08 22:09:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:34,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:34,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:34,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:34,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-08 22:09:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:34,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:34,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:34,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:34,944 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:34,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-08 22:09:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:35,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:35,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:35,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:35,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:35,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:35,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:35,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:35,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:35,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:35,681 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:35,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-08 22:09:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:35,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:35,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:35,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:36,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-08 22:09:36,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:36,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:36,414 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:36,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:36,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:36,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:36,415 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:36,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-08 22:09:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:36,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:36,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:36,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:37,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-08 22:09:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:37,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:37,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:37,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:37,126 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:37,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-08 22:09:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:37,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:37,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:37,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:37,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-08 22:09:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:37,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:37,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:37,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:37,824 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:37,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-08 22:09:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:38,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:38,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:38,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:38,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-08 22:09:38,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:38,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:38,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:38,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:38,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:38,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:38,591 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:38,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-08 22:09:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:38,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:38,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:38,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:39,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-08 22:09:39,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:39,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:39,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:39,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:39,298 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:39,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-08 22:09:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:39,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:39,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:39,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:39,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-08 22:09:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:39,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:39,998 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:39,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:39,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:39,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:39,999 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:40,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-08 22:09:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:40,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:40,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:40,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:40,698 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:40,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-08 22:09:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:40,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:40,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:40,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:40,703 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:40,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-08 22:09:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:40,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:41,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:41,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:41,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-08 22:09:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:41,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:41,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:41,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:41,430 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:41,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-08 22:09:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:41,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:41,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:41,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:42,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-08 22:09:42,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:42,185 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:42,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:42,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:42,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:42,186 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:42,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-08 22:09:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:42,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:42,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:42,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:42,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-08 22:09:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:42,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:42,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:42,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:42,908 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:42,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-08 22:09:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:43,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:43,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:43,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:43,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-08 22:09:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:43,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:43,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:43,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:43,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:43,616 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:43,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-08 22:09:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:43,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:43,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:43,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:44,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-08 22:09:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:44,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:44,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:44,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:44,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:44,410 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:44,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-08 22:09:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:44,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:44,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:44,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:45,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-08 22:09:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:45,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:45,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:45,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:45,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:45,125 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:45,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-08 22:09:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:45,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:45,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:45,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:45,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-08 22:09:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:45,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:45,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:45,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:45,835 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:45,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-08 22:09:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:46,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:46,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:46,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:46,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-08 22:09:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:46,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:46,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:46,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:46,542 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:46,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-08 22:09:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:46,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:46,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:46,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:47,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-08 22:09:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:47,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:47,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:47,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:47,251 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:47,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-08 22:09:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:47,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:47,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:47,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:47,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-08 22:09:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:47,956 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:47,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:47,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:47,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:47,957 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:47,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-08 22:09:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:48,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:48,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:48,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:48,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-08 22:09:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:48,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:48,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:48,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:48,713 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:48,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-08 22:09:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:48,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:49,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:49,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:49,426 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:49,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-08 22:09:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:49,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:49,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:49,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:49,432 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:49,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-08 22:09:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:49,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:49,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:49,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:50,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-08 22:09:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:50,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:50,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:50,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:50,144 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:50,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-08 22:09:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:50,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:50,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:50,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:50,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:50,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:50,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:50,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:50,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:50,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:50,856 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:50,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-08 22:09:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:51,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:51,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:51,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:51,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-08 22:09:51,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:51,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:51,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:51,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:51,609 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:51,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-08 22:09:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:51,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:51,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:51,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:52,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-08 22:09:52,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:52,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:52,337 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:52,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:52,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:52,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:52,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:52,339 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:52,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-08 22:09:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:52,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:52,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:52,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:53,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-08 22:09:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:53,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:53,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:53,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:53,254 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:53,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-08 22:09:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:53,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:53,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:53,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:53,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-08 22:09:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:53,979 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:53,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:53,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:53,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:53,981 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:53,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-08 22:09:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:54,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:54,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:54,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:54,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-08 22:09:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:54,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:54,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:54,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:54,712 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:54,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-08 22:09:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:54,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:55,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:55,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:55,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-08 22:09:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:55,449 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:55,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:55,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:55,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:55,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:55,450 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:55,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-08 22:09:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:55,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:55,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:55,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:56,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-08 22:09:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:56,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:56,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:56,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:56,189 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:56,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-08 22:09:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:56,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:56,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:56,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:56,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-08 22:09:56,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:56,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:56,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:56,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:56,945 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:56,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-08 22:09:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:57,204 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:57,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:57,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:57,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-08 22:09:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:57,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:57,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:57,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:57,707 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:57,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-08 22:09:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:57,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:57,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:57,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:58,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:58,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:58,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:58,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:58,430 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:58,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-08 22:09:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:58,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:58,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:58,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:59,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-08 22:09:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:59,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:59,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:59,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:59,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:59,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:59,175 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:59,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-08 22:09:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:59,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:59,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:09:59,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:59,955 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:09:59,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-08 22:09:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:09:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:09:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:09:59,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:59,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:59,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:59,961 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:59,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-08 22:10:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:00,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:00,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:00,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:00,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-08 22:10:00,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:00,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:00,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:00,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:00,693 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:00,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-08 22:10:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:00,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:00,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:00,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:01,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-08 22:10:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:01,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:01,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:01,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:01,403 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:01,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-08 22:10:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:01,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:01,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:01,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:02,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-08 22:10:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:02,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:02,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:02,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:02,123 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:02,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-08 22:10:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:02,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:02,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:02,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:02,963 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:02,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-08 22:10:02,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:02,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:02,967 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:02,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:02,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:02,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:02,969 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:02,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-08 22:10:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:03,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:03,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:03,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:03,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-08 22:10:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:03,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:03,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:03,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:03,695 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:03,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-08 22:10:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:03,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:03,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:03,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:04,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-08 22:10:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:04,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:04,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:04,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:04,400 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:04,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-08 22:10:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:04,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:04,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:04,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:05,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-08 22:10:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:05,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:05,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:05,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:05,130 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:05,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-08 22:10:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:05,393 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:05,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:05,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:05,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-08 22:10:05,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:05,847 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:05,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:05,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:05,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:05,849 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:05,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-08 22:10:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:06,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:06,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:06,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:06,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-08 22:10:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:06,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:06,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:06,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:06,550 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:06,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-08 22:10:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:06,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:06,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:06,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:07,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-08 22:10:07,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:07,267 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:07,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:07,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:07,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:07,268 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:07,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-08 22:10:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:07,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:07,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:07,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:08,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-08 22:10:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:08,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:08,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:08,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:08,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:08,011 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:08,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-08 22:10:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:08,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:08,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:08,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:08,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-08 22:10:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:08,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:08,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:08,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:08,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:08,724 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:08,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-08 22:10:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:08,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:09,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:09,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:09,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-08 22:10:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:09,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:09,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:09,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:09,427 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:09,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-08 22:10:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:09,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:09,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:09,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:10,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-11-08 22:10:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:10,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:10,260 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:10,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:10,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:10,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:10,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:10,261 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:10,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-08 22:10:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:10,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:10,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:10,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:10,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-08 22:10:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:10,985 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:10,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:10,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:10,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:10,988 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:10,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-08 22:10:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:11,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:11,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:11,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:11,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Forceful destruction successful, exit code 0 [2024-11-08 22:10:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:11,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:11,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:11,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:11,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:11,741 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:11,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-08 22:10:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:12,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:12,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:12,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:12,442 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:12,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-08 22:10:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:12,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:12,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:12,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:12,448 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:12,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-08 22:10:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:12,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:12,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:12,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:13,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-08 22:10:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:13,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:13,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:13,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:13,303 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:13,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-08 22:10:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:13,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:13,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:13,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:14,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-08 22:10:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:14,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:14,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:14,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:14,033 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:14,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-08 22:10:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:14,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:14,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:14,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:14,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-08 22:10:14,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:14,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:14,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:14,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:14,733 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:14,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-08 22:10:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:14,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:15,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:15,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:15,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Forceful destruction successful, exit code 0 [2024-11-08 22:10:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:15,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:15,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:15,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:15,485 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:15,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-08 22:10:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:15,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:15,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:15,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:16,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-08 22:10:16,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:16,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:16,238 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:16,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:16,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:16,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:16,239 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:16,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-08 22:10:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:16,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:16,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:16,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:16,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-08 22:10:16,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:16,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:16,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:16,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:16,937 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:16,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-08 22:10:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:17,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:17,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:17,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:17,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-11-08 22:10:17,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:17,634 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:17,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:17,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:17,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:17,635 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:17,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-08 22:10:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:17,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:17,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:17,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:18,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-08 22:10:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:18,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:18,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:18,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:18,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:18,347 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:18,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-08 22:10:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:18,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:18,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:18,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:19,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-08 22:10:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:19,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:19,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:19,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:19,053 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:19,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-08 22:10:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:19,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:19,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:19,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:19,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-08 22:10:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:19,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:19,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:19,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:19,766 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:19,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-08 22:10:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:20,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:20,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:20,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:20,469 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:20,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-08 22:10:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:20,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:20,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:20,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:20,475 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:20,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-08 22:10:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:20,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:20,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:20,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:21,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-08 22:10:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:21,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:21,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:21,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:21,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:21,169 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:21,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-08 22:10:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:21,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:21,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:21,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:21,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-08 22:10:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:21,876 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:21,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:21,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:21,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:21,878 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:21,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-08 22:10:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:22,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:22,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:22,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:22,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-08 22:10:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:22,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:22,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:22,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:22,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:22,584 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:22,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-08 22:10:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:22,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:22,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:22,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:23,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-08 22:10:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:23,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:23,288 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:23,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-08 22:10:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:23,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:23,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:23,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:24,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-08 22:10:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:24,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:24,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:24,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:24,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:24,061 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:24,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-08 22:10:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:24,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:24,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:24,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:24,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-08 22:10:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:24,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:24,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:24,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:24,776 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:24,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-08 22:10:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:25,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:25,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:25,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:25,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-08 22:10:25,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:25,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:25,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:25,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:25,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:25,494 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:25,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-08 22:10:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:25,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:25,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:25,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:26,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-08 22:10:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:26,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:26,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:26,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:26,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:26,212 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:26,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-08 22:10:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:26,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:26,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:26,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:26,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-08 22:10:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:26,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:26,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:26,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:26,920 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:26,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-08 22:10:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:27,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:27,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:27,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:27,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Forceful destruction successful, exit code 0 [2024-11-08 22:10:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:27,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:27,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:27,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:27,625 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:27,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-08 22:10:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:27,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:27,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:27,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:28,330 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:28,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-08 22:10:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:28,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:28,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:28,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:28,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:28,336 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:28,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-08 22:10:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:28,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:28,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:28,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:29,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-08 22:10:29,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:29,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:29,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:29,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:29,038 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:29,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-08 22:10:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:29,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:29,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:29,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:29,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-08 22:10:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:29,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:29,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:29,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:29,748 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:29,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-08 22:10:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:30,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:30,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:30,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:30,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-08 22:10:30,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:30,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:30,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:30,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:30,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:30,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:30,451 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:30,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-08 22:10:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:30,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:30,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:30,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:31,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-08 22:10:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:31,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:31,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:31,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:31,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:31,150 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:31,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-08 22:10:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:31,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:31,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:31,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:31,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-08 22:10:31,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:31,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:31,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:31,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:31,857 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:31,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-08 22:10:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:32,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:32,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:32,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:32,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-08 22:10:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:32,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:32,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:32,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:32,553 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:32,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-08 22:10:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:32,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:32,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:32,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:33,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-08 22:10:33,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:33,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:33,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:33,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:33,402 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:33,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-08 22:10:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:33,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:33,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:10:33,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:10:34,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-08 22:10:34,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:10:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:10:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:10:34,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:34,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:34,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:34,108 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:34,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-08 22:10:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-08 22:15:01,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2024-11-08 22:15:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:01,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:01,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:01,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:02,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (733)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:02,221 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:02,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:02,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:02,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:02,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:02,223 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:02,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2024-11-08 22:15:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:02,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:02,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:02,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:03,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (734)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:03,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:03,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:03,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:03,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:03,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:03,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:03,125 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:03,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2024-11-08 22:15:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:03,394 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:03,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:03,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:03,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (735)] Ended with exit code 0 [2024-11-08 22:15:03,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:03,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:03,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:03,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:03,894 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:03,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2024-11-08 22:15:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:04,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:04,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:04,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:04,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (736)] Ended with exit code 0 [2024-11-08 22:15:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:04,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:04,636 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:04,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:04,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:04,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:04,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:04,639 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:04,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2024-11-08 22:15:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:04,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:04,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:04,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:05,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2024-11-08 22:15:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:05,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:05,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:05,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:05,402 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:05,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2024-11-08 22:15:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:05,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:05,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:05,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:06,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (738)] Ended with exit code 0 [2024-11-08 22:15:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:06,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:06,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:06,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:06,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:06,223 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:06,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2024-11-08 22:15:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:06,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:06,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:06,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:07,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (739)] Ended with exit code 0 [2024-11-08 22:15:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:07,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:07,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:07,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:07,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:07,011 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:07,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2024-11-08 22:15:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:07,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:07,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:07,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:07,745 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:07,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (740)] Ended with exit code 0 [2024-11-08 22:15:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:07,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:07,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:07,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:07,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:07,751 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:07,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2024-11-08 22:15:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:08,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:08,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:08,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:08,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (741)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:08,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:08,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:08,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:08,487 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:08,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2024-11-08 22:15:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:08,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:08,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:08,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:09,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (742)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:09,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:09,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:09,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:09,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:09,223 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:09,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2024-11-08 22:15:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:09,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:09,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:09,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:09,965 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:09,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (743)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:09,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:09,970 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:09,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:09,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:09,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:09,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:09,971 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:09,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2024-11-08 22:15:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:10,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:10,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:10,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:10,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (744)] Ended with exit code 0 [2024-11-08 22:15:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:10,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:10,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:10,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:10,712 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:10,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2024-11-08 22:15:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:10,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:11,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:11,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:11,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (745)] Ended with exit code 0 [2024-11-08 22:15:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:11,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:11,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:11,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:11,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:11,453 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:11,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2024-11-08 22:15:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:11,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:11,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:11,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:12,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (746)] Ended with exit code 0 [2024-11-08 22:15:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:12,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:12,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:12,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:12,209 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:12,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2024-11-08 22:15:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:12,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:12,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:12,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:12,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (747)] Ended with exit code 0 [2024-11-08 22:15:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:12,962 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:12,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:12,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:12,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:12,963 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:12,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2024-11-08 22:15:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:13,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:13,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:13,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:13,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (748)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:13,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:13,774 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:13,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:13,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:13,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:13,775 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:13,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2024-11-08 22:15:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:14,046 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:14,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:14,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:14,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (749)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:14,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:14,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:14,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:14,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:14,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:14,512 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:14,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2024-11-08 22:15:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:14,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:14,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:14,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:15,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (750)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:15,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:15,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:15,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:15,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:15,273 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:15,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2024-11-08 22:15:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:15,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:15,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:15,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:16,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (751)] Ended with exit code 0 [2024-11-08 22:15:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:16,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:16,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:16,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:16,042 INFO L229 MonitoredProcess]: Starting monitored process 752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:16,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (752)] Waiting until timeout for monitored process [2024-11-08 22:15:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:16,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:16,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:16,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:16,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (752)] Ended with exit code 0 [2024-11-08 22:15:16,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:16,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:16,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:16,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:16,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:16,790 INFO L229 MonitoredProcess]: Starting monitored process 753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:16,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (753)] Waiting until timeout for monitored process [2024-11-08 22:15:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:17,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:17,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:17,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:17,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (753)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:17,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:17,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:17,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:17,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:17,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:17,550 INFO L229 MonitoredProcess]: Starting monitored process 754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:17,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (754)] Waiting until timeout for monitored process [2024-11-08 22:15:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:17,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:17,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:17,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:18,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (754)] Ended with exit code 0 [2024-11-08 22:15:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:18,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:18,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:18,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:18,289 INFO L229 MonitoredProcess]: Starting monitored process 755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:18,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (755)] Waiting until timeout for monitored process [2024-11-08 22:15:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:18,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:18,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:18,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:19,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (755)] Ended with exit code 0 [2024-11-08 22:15:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:19,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:19,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:19,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:19,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:19,034 INFO L229 MonitoredProcess]: Starting monitored process 756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:19,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (756)] Waiting until timeout for monitored process [2024-11-08 22:15:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:19,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:19,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:19,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:19,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (756)] Ended with exit code 0 [2024-11-08 22:15:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:19,788 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:19,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:19,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:19,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:19,789 INFO L229 MonitoredProcess]: Starting monitored process 757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:19,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (757)] Waiting until timeout for monitored process [2024-11-08 22:15:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:20,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:20,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:20,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:20,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (757)] Ended with exit code 0 [2024-11-08 22:15:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:20,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:20,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:20,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:20,519 INFO L229 MonitoredProcess]: Starting monitored process 758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:20,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (758)] Waiting until timeout for monitored process [2024-11-08 22:15:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:20,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:20,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:20,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:21,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (758)] Ended with exit code 0 [2024-11-08 22:15:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:21,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:21,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:21,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:21,272 INFO L229 MonitoredProcess]: Starting monitored process 759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:21,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (759)] Waiting until timeout for monitored process [2024-11-08 22:15:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:21,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:21,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:21,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:22,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (759)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:22,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:22,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:22,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:22,024 INFO L229 MonitoredProcess]: Starting monitored process 760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:22,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (760)] Waiting until timeout for monitored process [2024-11-08 22:15:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:22,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:22,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:22,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:22,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (760)] Ended with exit code 0 [2024-11-08 22:15:22,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:22,965 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:22,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:22,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:22,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:22,966 INFO L229 MonitoredProcess]: Starting monitored process 761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:22,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (761)] Waiting until timeout for monitored process [2024-11-08 22:15:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:23,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:23,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:23,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:23,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (761)] Ended with exit code 0 [2024-11-08 22:15:23,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:23,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:23,705 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:23,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:23,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:23,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:23,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:23,706 INFO L229 MonitoredProcess]: Starting monitored process 762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:23,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (762)] Waiting until timeout for monitored process [2024-11-08 22:15:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:23,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:24,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:24,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:24,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (762)] Ended with exit code 0 [2024-11-08 22:15:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:24,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:24,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:24,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:24,455 INFO L229 MonitoredProcess]: Starting monitored process 763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:24,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (763)] Waiting until timeout for monitored process [2024-11-08 22:15:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:24,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:24,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:24,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:25,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (763)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:25,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:25,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:25,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:25,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:25,219 INFO L229 MonitoredProcess]: Starting monitored process 764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:25,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (764)] Waiting until timeout for monitored process [2024-11-08 22:15:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:25,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:25,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:25,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:25,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (764)] Ended with exit code 0 [2024-11-08 22:15:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:25,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:25,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:25,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:25,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:25,970 INFO L229 MonitoredProcess]: Starting monitored process 765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:25,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (765)] Waiting until timeout for monitored process [2024-11-08 22:15:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:26,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:26,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:26,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:26,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (765)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:26,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:26,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:26,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:26,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:26,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:26,703 INFO L229 MonitoredProcess]: Starting monitored process 766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:26,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (766)] Waiting until timeout for monitored process [2024-11-08 22:15:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:26,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:27,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:27,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:27,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (766)] Ended with exit code 0 [2024-11-08 22:15:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:27,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:27,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:27,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:27,457 INFO L229 MonitoredProcess]: Starting monitored process 767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:27,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (767)] Waiting until timeout for monitored process [2024-11-08 22:15:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:27,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:27,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:27,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:28,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (767)] Ended with exit code 0 [2024-11-08 22:15:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:28,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:28,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:28,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:28,157 INFO L229 MonitoredProcess]: Starting monitored process 768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:28,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (768)] Waiting until timeout for monitored process [2024-11-08 22:15:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:28,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:28,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:28,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:28,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (768)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:28,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:28,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:28,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:28,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:28,894 INFO L229 MonitoredProcess]: Starting monitored process 769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:28,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (769)] Waiting until timeout for monitored process [2024-11-08 22:15:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:29,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:29,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:29,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:29,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (769)] Ended with exit code 0 [2024-11-08 22:15:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:29,620 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:29,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:29,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:29,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:29,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:29,622 INFO L229 MonitoredProcess]: Starting monitored process 770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:29,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (770)] Waiting until timeout for monitored process [2024-11-08 22:15:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:29,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:29,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:29,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:30,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (770)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:30,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:30,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:30,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:30,361 INFO L229 MonitoredProcess]: Starting monitored process 771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:30,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (771)] Waiting until timeout for monitored process [2024-11-08 22:15:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:30,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:30,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:30,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:31,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (771)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:31,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:31,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:31,082 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:31,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:31,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:31,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:31,083 INFO L229 MonitoredProcess]: Starting monitored process 772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:31,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (772)] Waiting until timeout for monitored process [2024-11-08 22:15:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:31,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:31,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:31,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:31,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (772)] Ended with exit code 0 [2024-11-08 22:15:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:31,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:31,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:31,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:31,821 INFO L229 MonitoredProcess]: Starting monitored process 773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:31,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (773)] Waiting until timeout for monitored process [2024-11-08 22:15:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:32,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:32,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:32,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:32,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (773)] Ended with exit code 0 [2024-11-08 22:15:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:32,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:32,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:32,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:32,602 INFO L229 MonitoredProcess]: Starting monitored process 774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:32,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (774)] Waiting until timeout for monitored process [2024-11-08 22:15:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:32,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:32,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:32,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:33,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (774)] Ended with exit code 0 [2024-11-08 22:15:33,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:33,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:33,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:33,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:33,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:33,424 INFO L229 MonitoredProcess]: Starting monitored process 775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:33,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (775)] Waiting until timeout for monitored process [2024-11-08 22:15:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:33,696 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:33,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:33,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:34,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (775)] Ended with exit code 0 [2024-11-08 22:15:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:34,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:34,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:34,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:34,209 INFO L229 MonitoredProcess]: Starting monitored process 776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:34,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (776)] Waiting until timeout for monitored process [2024-11-08 22:15:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:34,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:34,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:34,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:34,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (776)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:34,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:34,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:34,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:34,948 INFO L229 MonitoredProcess]: Starting monitored process 777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:34,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (777)] Waiting until timeout for monitored process [2024-11-08 22:15:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:35,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:35,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:35,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:35,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (777)] Ended with exit code 0 [2024-11-08 22:15:35,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:35,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:35,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:35,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:35,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:35,849 INFO L229 MonitoredProcess]: Starting monitored process 778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:35,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (778)] Waiting until timeout for monitored process [2024-11-08 22:15:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:36,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:36,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:36,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:36,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (778)] Ended with exit code 0 [2024-11-08 22:15:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:36,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:36,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:36,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:36,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:36,583 INFO L229 MonitoredProcess]: Starting monitored process 779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:36,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (779)] Waiting until timeout for monitored process [2024-11-08 22:15:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:36,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:36,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:36,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:37,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (779)] Ended with exit code 0 [2024-11-08 22:15:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:37,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:37,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:37,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:37,341 INFO L229 MonitoredProcess]: Starting monitored process 780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:37,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (780)] Waiting until timeout for monitored process [2024-11-08 22:15:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:37,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:37,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:37,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:38,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (780)] Ended with exit code 0 [2024-11-08 22:15:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:38,109 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:38,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:38,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:38,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:38,111 INFO L229 MonitoredProcess]: Starting monitored process 781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:38,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (781)] Waiting until timeout for monitored process [2024-11-08 22:15:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:38,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:38,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:38,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:38,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (781)] Ended with exit code 0 [2024-11-08 22:15:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:38,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:38,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:38,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:38,861 INFO L229 MonitoredProcess]: Starting monitored process 782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:38,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (782)] Waiting until timeout for monitored process [2024-11-08 22:15:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:39,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:39,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:39,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:39,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (782)] Ended with exit code 0 [2024-11-08 22:15:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:39,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:39,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:39,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:39,598 INFO L229 MonitoredProcess]: Starting monitored process 783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:39,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (783)] Waiting until timeout for monitored process [2024-11-08 22:15:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:39,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:39,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:39,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:40,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (783)] Ended with exit code 0 [2024-11-08 22:15:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:40,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:40,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:40,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:40,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:40,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:40,342 INFO L229 MonitoredProcess]: Starting monitored process 784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:40,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (784)] Waiting until timeout for monitored process [2024-11-08 22:15:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:40,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:40,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:40,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:41,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (784)] Ended with exit code 0 [2024-11-08 22:15:41,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:41,078 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:41,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:41,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:41,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:41,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:41,080 INFO L229 MonitoredProcess]: Starting monitored process 785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:41,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (785)] Waiting until timeout for monitored process [2024-11-08 22:15:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:41,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:41,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:41,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:41,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (785)] Ended with exit code 0 [2024-11-08 22:15:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:41,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:41,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:41,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:41,823 INFO L229 MonitoredProcess]: Starting monitored process 786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:41,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (786)] Waiting until timeout for monitored process [2024-11-08 22:15:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:42,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:42,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:42,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:42,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (786)] Ended with exit code 0 [2024-11-08 22:15:42,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:42,586 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:42,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:42,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:42,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:42,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:42,589 INFO L229 MonitoredProcess]: Starting monitored process 787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:42,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (787)] Waiting until timeout for monitored process [2024-11-08 22:15:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:42,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:43,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:43,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:43,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (787)] Ended with exit code 0 [2024-11-08 22:15:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:43,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:43,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:43,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:43,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:43,451 INFO L229 MonitoredProcess]: Starting monitored process 788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:43,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (788)] Waiting until timeout for monitored process [2024-11-08 22:15:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:43,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:43,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:43,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:44,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (788)] Ended with exit code 0 [2024-11-08 22:15:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:44,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:44,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:44,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:44,189 INFO L229 MonitoredProcess]: Starting monitored process 789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:44,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (789)] Waiting until timeout for monitored process [2024-11-08 22:15:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:44,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:44,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:44,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:44,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (789)] Ended with exit code 0 [2024-11-08 22:15:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:44,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:44,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:44,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:44,927 INFO L229 MonitoredProcess]: Starting monitored process 790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:44,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (790)] Waiting until timeout for monitored process [2024-11-08 22:15:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:45,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:45,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:45,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:45,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (790)] Ended with exit code 0 [2024-11-08 22:15:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:45,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:45,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:45,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:45,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:45,703 INFO L229 MonitoredProcess]: Starting monitored process 791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:45,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (791)] Waiting until timeout for monitored process [2024-11-08 22:15:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:45,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:46,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:46,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:46,447 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:46,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (791)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:46,452 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:46,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:46,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:46,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:46,453 INFO L229 MonitoredProcess]: Starting monitored process 792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:46,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (792)] Waiting until timeout for monitored process [2024-11-08 22:15:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:46,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:46,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:46,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:47,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (792)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:47,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:47,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:47,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:47,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:47,189 INFO L229 MonitoredProcess]: Starting monitored process 793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:47,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (793)] Waiting until timeout for monitored process [2024-11-08 22:15:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:47,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:47,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:47,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:47,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (793)] Ended with exit code 0 [2024-11-08 22:15:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:47,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:47,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:47,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:47,933 INFO L229 MonitoredProcess]: Starting monitored process 794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:47,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (794)] Waiting until timeout for monitored process [2024-11-08 22:15:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:48,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:48,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:48,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:48,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (794)] Ended with exit code 0 [2024-11-08 22:15:48,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:48,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:48,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:48,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:48,666 INFO L229 MonitoredProcess]: Starting monitored process 795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:48,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (795)] Waiting until timeout for monitored process [2024-11-08 22:15:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:48,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:48,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:48,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:49,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (795)] Ended with exit code 0 [2024-11-08 22:15:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:49,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:49,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:49,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:49,408 INFO L229 MonitoredProcess]: Starting monitored process 796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:49,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (796)] Waiting until timeout for monitored process [2024-11-08 22:15:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:49,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:49,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:49,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:50,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (796)] Ended with exit code 0 [2024-11-08 22:15:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:50,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:50,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:50,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:50,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:50,153 INFO L229 MonitoredProcess]: Starting monitored process 797 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:50,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (797)] Waiting until timeout for monitored process [2024-11-08 22:15:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:50,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:50,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:50,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:50,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (797)] Ended with exit code 0 [2024-11-08 22:15:50,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:50,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:50,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:50,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:50,887 INFO L229 MonitoredProcess]: Starting monitored process 798 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:50,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (798)] Waiting until timeout for monitored process [2024-11-08 22:15:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:51,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:51,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:51,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:51,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (798)] Ended with exit code 0 [2024-11-08 22:15:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:51,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:51,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:51,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:51,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:51,626 INFO L229 MonitoredProcess]: Starting monitored process 799 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:51,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (799)] Waiting until timeout for monitored process [2024-11-08 22:15:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:51,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:51,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:51,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:52,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (799)] Ended with exit code 0 [2024-11-08 22:15:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:52,366 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:52,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:52,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:52,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:52,367 INFO L229 MonitoredProcess]: Starting monitored process 800 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:52,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (800)] Waiting until timeout for monitored process [2024-11-08 22:15:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:52,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:52,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:52,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:53,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (800)] Ended with exit code 0 [2024-11-08 22:15:53,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:53,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:53,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:53,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:53,257 INFO L229 MonitoredProcess]: Starting monitored process 801 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:53,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (801)] Waiting until timeout for monitored process [2024-11-08 22:15:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:53,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:53,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:53,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:53,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (801)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:53,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:53,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:53,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:53,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:53,998 INFO L229 MonitoredProcess]: Starting monitored process 802 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:53,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (802)] Waiting until timeout for monitored process [2024-11-08 22:15:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:54,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:54,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:54,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:54,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (802)] Ended with exit code 0 [2024-11-08 22:15:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:54,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:54,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:54,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:54,743 INFO L229 MonitoredProcess]: Starting monitored process 803 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:54,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (803)] Waiting until timeout for monitored process [2024-11-08 22:15:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:55,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:55,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:55,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:55,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (803)] Ended with exit code 0 [2024-11-08 22:15:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:55,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:55,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:55,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:55,525 INFO L229 MonitoredProcess]: Starting monitored process 804 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:55,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (804)] Waiting until timeout for monitored process [2024-11-08 22:15:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:55,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:55,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:55,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:56,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (804)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:56,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:56,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:56,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:56,266 INFO L229 MonitoredProcess]: Starting monitored process 805 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:56,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (805)] Waiting until timeout for monitored process [2024-11-08 22:15:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:56,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:56,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:56,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:56,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (805)] Ended with exit code 0 [2024-11-08 22:15:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:56,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:56,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:56,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:56,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:57,000 INFO L229 MonitoredProcess]: Starting monitored process 806 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:57,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (806)] Waiting until timeout for monitored process [2024-11-08 22:15:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:57,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:57,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:57,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:57,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (806)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:57,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:57,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:57,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:57,740 INFO L229 MonitoredProcess]: Starting monitored process 807 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:57,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (807)] Waiting until timeout for monitored process [2024-11-08 22:15:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:58,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:58,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:58,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:58,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (807)] Ended with exit code 0 [2024-11-08 22:15:58,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:58,479 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:58,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:58,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:58,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:58,481 INFO L229 MonitoredProcess]: Starting monitored process 808 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:58,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (808)] Waiting until timeout for monitored process [2024-11-08 22:15:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:58,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:58,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:58,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:59,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (808)] Ended with exit code 0 [2024-11-08 22:15:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:59,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:59,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:59,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:59,211 INFO L229 MonitoredProcess]: Starting monitored process 809 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:59,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (809)] Waiting until timeout for monitored process [2024-11-08 22:15:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:59,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:59,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:15:59,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:15:59,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (809)] Ended with exit code 0 [2024-11-08 22:15:59,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:15:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:15:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:15:59,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:59,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:59,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:59,958 INFO L229 MonitoredProcess]: Starting monitored process 810 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:59,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (810)] Waiting until timeout for monitored process [2024-11-08 22:16:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:00,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:00,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:00,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:00,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (810)] Ended with exit code 0 [2024-11-08 22:16:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:00,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:00,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:00,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:00,687 INFO L229 MonitoredProcess]: Starting monitored process 811 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:00,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (811)] Waiting until timeout for monitored process [2024-11-08 22:16:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:00,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:00,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:00,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:01,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (811)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:01,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:01,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:01,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:01,416 INFO L229 MonitoredProcess]: Starting monitored process 812 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:01,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (812)] Waiting until timeout for monitored process [2024-11-08 22:16:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:01,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:01,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:01,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:02,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (812)] Ended with exit code 0 [2024-11-08 22:16:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:02,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:02,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:02,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:02,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:02,152 INFO L229 MonitoredProcess]: Starting monitored process 813 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:02,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (813)] Waiting until timeout for monitored process [2024-11-08 22:16:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:02,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:02,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:02,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:03,011 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:03,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (813)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:03,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:03,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:03,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:03,018 INFO L229 MonitoredProcess]: Starting monitored process 814 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:03,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (814)] Waiting until timeout for monitored process [2024-11-08 22:16:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:03,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:03,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:03,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:03,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (814)] Ended with exit code 0 [2024-11-08 22:16:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:03,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:03,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:03,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:03,760 INFO L229 MonitoredProcess]: Starting monitored process 815 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:03,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (815)] Waiting until timeout for monitored process [2024-11-08 22:16:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:04,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:04,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:04,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:04,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (815)] Ended with exit code 0 [2024-11-08 22:16:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:04,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:04,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:04,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:04,488 INFO L229 MonitoredProcess]: Starting monitored process 816 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:04,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (816)] Waiting until timeout for monitored process [2024-11-08 22:16:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:04,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:04,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:04,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:05,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (816)] Ended with exit code 0 [2024-11-08 22:16:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:05,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:05,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:05,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:05,253 INFO L229 MonitoredProcess]: Starting monitored process 817 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:05,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (817)] Waiting until timeout for monitored process [2024-11-08 22:16:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:05,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:05,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:05,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:05,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (817)] Ended with exit code 0 [2024-11-08 22:16:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:06,002 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:06,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:06,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:06,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:06,005 INFO L229 MonitoredProcess]: Starting monitored process 818 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:06,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (818)] Waiting until timeout for monitored process [2024-11-08 22:16:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:06,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:06,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:06,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:06,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (818)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:06,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:06,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:06,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:06,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:06,764 INFO L229 MonitoredProcess]: Starting monitored process 819 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:06,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (819)] Waiting until timeout for monitored process [2024-11-08 22:16:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:07,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:07,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:07,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:07,489 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:07,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (819)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:07,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:07,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:07,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:07,495 INFO L229 MonitoredProcess]: Starting monitored process 820 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:07,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (820)] Waiting until timeout for monitored process [2024-11-08 22:16:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:07,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:07,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:07,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:08,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (820)] Ended with exit code 0 [2024-11-08 22:16:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:08,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:08,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:08,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:08,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:08,227 INFO L229 MonitoredProcess]: Starting monitored process 821 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:08,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (821)] Waiting until timeout for monitored process [2024-11-08 22:16:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:08,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:08,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:08,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:08,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (821)] Ended with exit code 0 [2024-11-08 22:16:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:08,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:08,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:08,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:08,967 INFO L229 MonitoredProcess]: Starting monitored process 822 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:08,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (822)] Waiting until timeout for monitored process [2024-11-08 22:16:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:09,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:09,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:09,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:09,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (822)] Ended with exit code 0 [2024-11-08 22:16:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:09,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:09,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:09,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:09,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:09,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:09,706 INFO L229 MonitoredProcess]: Starting monitored process 823 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:09,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (823)] Waiting until timeout for monitored process [2024-11-08 22:16:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:09,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:10,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:10,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:10,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (823)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:10,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:10,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:10,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:10,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:10,441 INFO L229 MonitoredProcess]: Starting monitored process 824 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:10,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (824)] Waiting until timeout for monitored process [2024-11-08 22:16:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:10,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:10,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:10,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:11,167 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:11,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (824)] Ended with exit code 0 [2024-11-08 22:16:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:11,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:11,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:11,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:11,173 INFO L229 MonitoredProcess]: Starting monitored process 825 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:11,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (825)] Waiting until timeout for monitored process [2024-11-08 22:16:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:11,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:11,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:11,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:11,903 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:11,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (825)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:11,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:11,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:11,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:11,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:11,909 INFO L229 MonitoredProcess]: Starting monitored process 826 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:11,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (826)] Waiting until timeout for monitored process [2024-11-08 22:16:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:12,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:12,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:12,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:12,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (826)] Ended with exit code 0 [2024-11-08 22:16:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:12,725 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:12,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:12,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:12,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:12,727 INFO L229 MonitoredProcess]: Starting monitored process 827 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:12,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (827)] Waiting until timeout for monitored process [2024-11-08 22:16:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:13,019 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:13,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:13,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:13,476 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:13,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (827)] Ended with exit code 0 [2024-11-08 22:16:13,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:13,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:13,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:13,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:13,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:13,482 INFO L229 MonitoredProcess]: Starting monitored process 828 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:13,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (828)] Waiting until timeout for monitored process [2024-11-08 22:16:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:13,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:13,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:13,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:14,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (828)] Ended with exit code 0 [2024-11-08 22:16:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:14,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:14,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:14,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:14,233 INFO L229 MonitoredProcess]: Starting monitored process 829 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:14,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (829)] Waiting until timeout for monitored process [2024-11-08 22:16:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:14,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:14,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:14,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:14,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (829)] Ended with exit code 0 [2024-11-08 22:16:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:14,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:14,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:14,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:14,959 INFO L229 MonitoredProcess]: Starting monitored process 830 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:14,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (830)] Waiting until timeout for monitored process [2024-11-08 22:16:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:15,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:15,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:15,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:15,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (830)] Ended with exit code 0 [2024-11-08 22:16:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:15,711 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:15,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:15,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:15,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:15,713 INFO L229 MonitoredProcess]: Starting monitored process 831 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:15,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (831)] Waiting until timeout for monitored process [2024-11-08 22:16:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:15,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:16,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:16,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:16,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (831)] Ended with exit code 0 [2024-11-08 22:16:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:16,435 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:16,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:16,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:16,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:16,437 INFO L229 MonitoredProcess]: Starting monitored process 832 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:16,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (832)] Waiting until timeout for monitored process [2024-11-08 22:16:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:16,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:16,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:16,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:17,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (832)] Ended with exit code 0 [2024-11-08 22:16:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:17,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:17,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:17,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:17,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:17,206 INFO L229 MonitoredProcess]: Starting monitored process 833 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:17,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (833)] Waiting until timeout for monitored process [2024-11-08 22:16:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:17,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:17,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:17,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:17,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (833)] Ended with exit code 0 [2024-11-08 22:16:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:17,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:17,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:17,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:17,970 INFO L229 MonitoredProcess]: Starting monitored process 834 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:17,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (834)] Waiting until timeout for monitored process [2024-11-08 22:16:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:18,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:18,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:18,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:18,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (834)] Ended with exit code 0 [2024-11-08 22:16:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:18,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:18,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:18,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:18,735 INFO L229 MonitoredProcess]: Starting monitored process 835 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:18,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (835)] Waiting until timeout for monitored process [2024-11-08 22:16:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:19,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:19,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:19,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:19,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (835)] Ended with exit code 0 [2024-11-08 22:16:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:19,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:19,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:19,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:19,490 INFO L229 MonitoredProcess]: Starting monitored process 836 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:19,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (836)] Waiting until timeout for monitored process [2024-11-08 22:16:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:19,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:19,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:19,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:20,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (836)] Ended with exit code 0 [2024-11-08 22:16:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:20,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:20,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:20,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:20,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:20,240 INFO L229 MonitoredProcess]: Starting monitored process 837 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:20,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (837)] Waiting until timeout for monitored process [2024-11-08 22:16:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:20,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:20,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:20,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:21,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (837)] Ended with exit code 0 [2024-11-08 22:16:21,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:21,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:21,030 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:21,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:21,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:21,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:21,031 INFO L229 MonitoredProcess]: Starting monitored process 838 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:21,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (838)] Waiting until timeout for monitored process [2024-11-08 22:16:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:21,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:21,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:21,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:21,822 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:21,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (838)] Ended with exit code 0 [2024-11-08 22:16:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:21,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:21,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:21,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:21,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:21,828 INFO L229 MonitoredProcess]: Starting monitored process 839 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:21,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (839)] Waiting until timeout for monitored process [2024-11-08 22:16:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:22,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:22,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:22,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:22,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (839)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:22,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:22,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:22,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:22,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:22,663 INFO L229 MonitoredProcess]: Starting monitored process 840 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:22,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (840)] Waiting until timeout for monitored process [2024-11-08 22:16:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:23,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:23,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:23,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:23,536 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:23,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (840)] Ended with exit code 0 [2024-11-08 22:16:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:23,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:23,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:23,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:23,542 INFO L229 MonitoredProcess]: Starting monitored process 841 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:23,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (841)] Waiting until timeout for monitored process [2024-11-08 22:16:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:23,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:23,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:23,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:24,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (841)] Ended with exit code 0 [2024-11-08 22:16:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:24,276 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:24,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:24,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:24,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:24,277 INFO L229 MonitoredProcess]: Starting monitored process 842 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:24,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (842)] Waiting until timeout for monitored process [2024-11-08 22:16:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:24,541 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:24,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:24,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:25,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (842)] Ended with exit code 0 [2024-11-08 22:16:25,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:25,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:25,013 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:25,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:25,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:25,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:25,014 INFO L229 MonitoredProcess]: Starting monitored process 843 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:25,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (843)] Waiting until timeout for monitored process [2024-11-08 22:16:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:25,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:25,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:25,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:25,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (843)] Ended with exit code 0 [2024-11-08 22:16:25,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:25,801 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:25,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:25,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:25,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:25,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:25,802 INFO L229 MonitoredProcess]: Starting monitored process 844 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:25,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (844)] Waiting until timeout for monitored process [2024-11-08 22:16:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:26,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:26,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:26,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:26,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (844)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:26,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:26,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:26,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:26,603 INFO L229 MonitoredProcess]: Starting monitored process 845 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:26,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (845)] Waiting until timeout for monitored process [2024-11-08 22:16:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:26,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:26,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:26,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:27,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (845)] Ended with exit code 0 [2024-11-08 22:16:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:27,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:27,319 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:27,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:27,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:27,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:27,322 INFO L229 MonitoredProcess]: Starting monitored process 846 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:27,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (846)] Waiting until timeout for monitored process [2024-11-08 22:16:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:27,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:27,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:27,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:28,032 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:28,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (846)] Ended with exit code 0 [2024-11-08 22:16:28,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:28,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:28,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:28,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:28,038 INFO L229 MonitoredProcess]: Starting monitored process 847 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:28,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (847)] Waiting until timeout for monitored process [2024-11-08 22:16:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:28,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:28,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:28,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:28,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (847)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:28,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:28,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:28,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:28,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:28,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:28,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:28,741 INFO L229 MonitoredProcess]: Starting monitored process 848 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:28,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (848)] Waiting until timeout for monitored process [2024-11-08 22:16:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:29,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:29,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:29,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:29,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (848)] Ended with exit code 0 [2024-11-08 22:16:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:29,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:29,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:29,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:29,524 INFO L229 MonitoredProcess]: Starting monitored process 849 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:29,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (849)] Waiting until timeout for monitored process [2024-11-08 22:16:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:29,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:29,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:29,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:30,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (849)] Ended with exit code 0 [2024-11-08 22:16:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:30,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:30,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:30,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:30,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:30,274 INFO L229 MonitoredProcess]: Starting monitored process 850 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:30,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (850)] Waiting until timeout for monitored process [2024-11-08 22:16:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:30,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:30,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:30,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:31,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (850)] Ended with exit code 0 [2024-11-08 22:16:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:31,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:31,054 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:31,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:31,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:31,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:31,055 INFO L229 MonitoredProcess]: Starting monitored process 851 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:31,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (851)] Waiting until timeout for monitored process [2024-11-08 22:16:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:31,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:31,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:31,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:31,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (851)] Ended with exit code 0 [2024-11-08 22:16:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:31,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:31,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:31,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:31,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:31,769 INFO L229 MonitoredProcess]: Starting monitored process 852 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:31,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (852)] Waiting until timeout for monitored process [2024-11-08 22:16:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:32,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:32,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:32,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:32,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (852)] Ended with exit code 0 [2024-11-08 22:16:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:32,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:32,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:32,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:32,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:32,599 INFO L229 MonitoredProcess]: Starting monitored process 853 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:32,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (853)] Waiting until timeout for monitored process [2024-11-08 22:16:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:33,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:33,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:33,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:33,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (853)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:33,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:33,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:33,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:33,496 INFO L229 MonitoredProcess]: Starting monitored process 854 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:33,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (854)] Waiting until timeout for monitored process [2024-11-08 22:16:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:33,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:33,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:33,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:34,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (854)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:34,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:34,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:34,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:34,256 INFO L229 MonitoredProcess]: Starting monitored process 855 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:34,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (855)] Waiting until timeout for monitored process [2024-11-08 22:16:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:34,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:34,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:34,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:34,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (855)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:34,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:34,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:34,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:34,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:34,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:34,986 INFO L229 MonitoredProcess]: Starting monitored process 856 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:34,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (856)] Waiting until timeout for monitored process [2024-11-08 22:16:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:35,276 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:35,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:35,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:35,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (856)] Ended with exit code 0 [2024-11-08 22:16:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:35,761 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:35,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:35,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:35,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:35,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:35,762 INFO L229 MonitoredProcess]: Starting monitored process 857 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:35,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (857)] Waiting until timeout for monitored process [2024-11-08 22:16:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:36,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:36,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:36,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:36,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (857)] Ended with exit code 0 [2024-11-08 22:16:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:36,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:36,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:36,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:36,518 INFO L229 MonitoredProcess]: Starting monitored process 858 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:36,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (858)] Waiting until timeout for monitored process [2024-11-08 22:16:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:36,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:36,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:36,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:37,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (858)] Ended with exit code 0 [2024-11-08 22:16:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:37,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:37,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:37,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:37,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:37,237 INFO L229 MonitoredProcess]: Starting monitored process 859 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:37,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (859)] Waiting until timeout for monitored process [2024-11-08 22:16:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:37,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:37,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:37,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:37,968 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:37,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (859)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:37,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:37,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:37,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:37,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:37,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:37,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:37,975 INFO L229 MonitoredProcess]: Starting monitored process 860 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:37,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (860)] Waiting until timeout for monitored process [2024-11-08 22:16:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:38,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:38,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:38,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:38,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (860)] Ended with exit code 0 [2024-11-08 22:16:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:38,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:38,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:38,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:38,770 INFO L229 MonitoredProcess]: Starting monitored process 861 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:38,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (861)] Waiting until timeout for monitored process [2024-11-08 22:16:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:39,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:39,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:39,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:39,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (861)] Ended with exit code 0 [2024-11-08 22:16:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:39,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:39,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:39,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:39,509 INFO L229 MonitoredProcess]: Starting monitored process 862 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:39,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (862)] Waiting until timeout for monitored process [2024-11-08 22:16:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:39,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:39,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:39,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:40,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (862)] Ended with exit code 0 [2024-11-08 22:16:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:40,323 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:40,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:40,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:40,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:40,325 INFO L229 MonitoredProcess]: Starting monitored process 863 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:40,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (863)] Waiting until timeout for monitored process [2024-11-08 22:16:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:40,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:40,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:40,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:41,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (863)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:41,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:41,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:41,046 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:41,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:41,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:41,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:41,047 INFO L229 MonitoredProcess]: Starting monitored process 864 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:41,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (864)] Waiting until timeout for monitored process [2024-11-08 22:16:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:41,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:41,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:41,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:41,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (864)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:41,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:41,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:41,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:41,816 INFO L229 MonitoredProcess]: Starting monitored process 865 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:41,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (865)] Waiting until timeout for monitored process [2024-11-08 22:16:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:42,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:42,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:42,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:42,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (865)] Ended with exit code 0 [2024-11-08 22:16:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:42,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:42,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:42,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:42,618 INFO L229 MonitoredProcess]: Starting monitored process 866 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:42,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (866)] Waiting until timeout for monitored process [2024-11-08 22:16:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:42,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:43,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:43,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:43,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (866)] Ended with exit code 0 [2024-11-08 22:16:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:43,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:43,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:43,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:43,452 INFO L229 MonitoredProcess]: Starting monitored process 867 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:43,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (867)] Waiting until timeout for monitored process [2024-11-08 22:16:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:43,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:43,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:43,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:44,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (867)] Ended with exit code 0 [2024-11-08 22:16:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:44,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:44,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:44,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:44,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:44,194 INFO L229 MonitoredProcess]: Starting monitored process 868 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:44,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (868)] Waiting until timeout for monitored process [2024-11-08 22:16:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:44,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:44,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:44,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:44,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (868)] Ended with exit code 0 [2024-11-08 22:16:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:44,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:44,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:44,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:44,953 INFO L229 MonitoredProcess]: Starting monitored process 869 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:44,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (869)] Waiting until timeout for monitored process [2024-11-08 22:16:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:45,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:45,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:45,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:45,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (869)] Ended with exit code 0 [2024-11-08 22:16:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:45,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:45,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:45,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:45,751 INFO L229 MonitoredProcess]: Starting monitored process 870 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:45,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (870)] Waiting until timeout for monitored process [2024-11-08 22:16:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:46,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:46,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:46,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:46,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (870)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:46,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:46,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:46,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:46,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:46,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:46,509 INFO L229 MonitoredProcess]: Starting monitored process 871 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:46,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (871)] Waiting until timeout for monitored process [2024-11-08 22:16:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:46,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:46,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:46,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:47,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (871)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:47,250 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:47,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:47,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:47,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:47,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:47,252 INFO L229 MonitoredProcess]: Starting monitored process 872 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:47,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (872)] Waiting until timeout for monitored process [2024-11-08 22:16:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:47,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:47,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:47,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:47,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (872)] Ended with exit code 0 [2024-11-08 22:16:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:47,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:47,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:47,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:47,999 INFO L229 MonitoredProcess]: Starting monitored process 873 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:48,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (873)] Waiting until timeout for monitored process [2024-11-08 22:16:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:48,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:48,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:48,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:48,791 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:48,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (873)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:48,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:48,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:48,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:48,797 INFO L229 MonitoredProcess]: Starting monitored process 874 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:48,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (874)] Waiting until timeout for monitored process [2024-11-08 22:16:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:49,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:49,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:49,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:49,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (874)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:49,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:49,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:49,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:49,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:49,550 INFO L229 MonitoredProcess]: Starting monitored process 875 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:49,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (875)] Waiting until timeout for monitored process [2024-11-08 22:16:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:49,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:49,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:49,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:50,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (875)] Ended with exit code 0 [2024-11-08 22:16:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:50,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:50,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:50,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:50,295 INFO L229 MonitoredProcess]: Starting monitored process 876 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:50,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (876)] Waiting until timeout for monitored process [2024-11-08 22:16:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:50,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:50,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:50,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:51,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (876)] Ended with exit code 0 [2024-11-08 22:16:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:51,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:51,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:51,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:51,062 INFO L229 MonitoredProcess]: Starting monitored process 877 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:51,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (877)] Waiting until timeout for monitored process [2024-11-08 22:16:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:51,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:51,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:51,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:51,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (877)] Ended with exit code 0 [2024-11-08 22:16:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:51,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:51,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:51,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:51,804 INFO L229 MonitoredProcess]: Starting monitored process 878 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:51,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (878)] Waiting until timeout for monitored process [2024-11-08 22:16:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:52,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:52,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:52,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:52,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (878)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:52,556 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:52,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:52,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:52,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:52,559 INFO L229 MonitoredProcess]: Starting monitored process 879 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:52,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (879)] Waiting until timeout for monitored process [2024-11-08 22:16:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:52,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:52,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:52,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:53,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (879)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:53,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:53,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:53,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:53,358 INFO L229 MonitoredProcess]: Starting monitored process 880 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:53,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (880)] Waiting until timeout for monitored process [2024-11-08 22:16:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:53,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:53,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:53,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:54,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (880)] Ended with exit code 0 [2024-11-08 22:16:54,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:54,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:54,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:54,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:54,182 INFO L229 MonitoredProcess]: Starting monitored process 881 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:54,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (881)] Waiting until timeout for monitored process [2024-11-08 22:16:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:54,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:54,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:54,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:54,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (881)] Ended with exit code 0 [2024-11-08 22:16:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:54,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:54,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:54,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:54,954 INFO L229 MonitoredProcess]: Starting monitored process 882 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:54,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (882)] Waiting until timeout for monitored process [2024-11-08 22:16:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:55,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:55,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:55,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:55,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (882)] Ended with exit code 0 [2024-11-08 22:16:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:55,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:55,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:55,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:55,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:55,751 INFO L229 MonitoredProcess]: Starting monitored process 883 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:55,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (883)] Waiting until timeout for monitored process [2024-11-08 22:16:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:56,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:56,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:56,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:56,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (883)] Ended with exit code 0 [2024-11-08 22:16:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:56,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:56,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:56,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:56,490 INFO L229 MonitoredProcess]: Starting monitored process 884 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:56,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (884)] Waiting until timeout for monitored process [2024-11-08 22:16:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:56,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:56,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:56,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:57,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (884)] Ended with exit code 0 [2024-11-08 22:16:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:57,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:57,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:57,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:57,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:57,295 INFO L229 MonitoredProcess]: Starting monitored process 885 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:57,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (885)] Waiting until timeout for monitored process [2024-11-08 22:16:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:57,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:57,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:57,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:58,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (885)] Ended with exit code 0 [2024-11-08 22:16:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:58,089 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:58,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:58,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:58,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:58,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:58,090 INFO L229 MonitoredProcess]: Starting monitored process 886 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:58,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (886)] Waiting until timeout for monitored process [2024-11-08 22:16:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:58,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:58,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:58,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:58,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (886)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:58,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:58,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:58,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:58,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:58,843 INFO L229 MonitoredProcess]: Starting monitored process 887 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:58,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (887)] Waiting until timeout for monitored process [2024-11-08 22:16:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:59,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:59,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:16:59,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:59,702 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:16:59,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (887)] Ended with exit code 0 [2024-11-08 22:16:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:16:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:16:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:16:59,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:59,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:59,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:59,708 INFO L229 MonitoredProcess]: Starting monitored process 888 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:59,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (888)] Waiting until timeout for monitored process [2024-11-08 22:17:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:00,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:00,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:00,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:00,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (888)] Ended with exit code 0 [2024-11-08 22:17:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:00,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:00,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:00,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:00,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:00,511 INFO L229 MonitoredProcess]: Starting monitored process 889 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:00,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (889)] Waiting until timeout for monitored process [2024-11-08 22:17:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:00,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:00,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:00,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:01,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (889)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:01,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:01,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:01,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:01,258 INFO L229 MonitoredProcess]: Starting monitored process 890 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:01,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (890)] Waiting until timeout for monitored process [2024-11-08 22:17:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:01,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:01,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:01,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:01,987 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:01,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (890)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:01,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:01,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:01,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:01,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:01,993 INFO L229 MonitoredProcess]: Starting monitored process 891 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (891)] Waiting until timeout for monitored process [2024-11-08 22:17:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:02,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:02,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:02,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:02,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (891)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:02,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:02,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:02,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:02,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:02,897 INFO L229 MonitoredProcess]: Starting monitored process 892 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:02,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (892)] Waiting until timeout for monitored process [2024-11-08 22:17:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:03,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:03,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:03,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:03,662 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:03,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (892)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:03,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:03,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:03,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:03,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:03,667 INFO L229 MonitoredProcess]: Starting monitored process 893 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:03,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (893)] Waiting until timeout for monitored process [2024-11-08 22:17:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:03,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:03,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:03,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:04,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (893)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:04,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:04,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:04,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:04,398 INFO L229 MonitoredProcess]: Starting monitored process 894 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:04,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (894)] Waiting until timeout for monitored process [2024-11-08 22:17:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:04,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:04,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:04,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:05,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (894)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:05,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:05,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:05,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:05,181 INFO L229 MonitoredProcess]: Starting monitored process 895 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:05,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (895)] Waiting until timeout for monitored process [2024-11-08 22:17:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:05,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:05,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:05,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:05,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (895)] Ended with exit code 0 [2024-11-08 22:17:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:05,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:05,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:05,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:05,932 INFO L229 MonitoredProcess]: Starting monitored process 896 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:05,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (896)] Waiting until timeout for monitored process [2024-11-08 22:17:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:06,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:06,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:06,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:06,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (896)] Ended with exit code 0 [2024-11-08 22:17:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:06,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:06,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:06,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:06,709 INFO L229 MonitoredProcess]: Starting monitored process 897 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:06,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (897)] Waiting until timeout for monitored process [2024-11-08 22:17:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:06,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:07,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:07,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:07,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (897)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:07,479 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:07,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:07,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:07,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:07,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:07,480 INFO L229 MonitoredProcess]: Starting monitored process 898 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:07,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (898)] Waiting until timeout for monitored process [2024-11-08 22:17:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:07,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:07,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:07,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:08,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (898)] Ended with exit code 0 [2024-11-08 22:17:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:08,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:08,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:08,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:08,312 INFO L229 MonitoredProcess]: Starting monitored process 899 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:08,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (899)] Waiting until timeout for monitored process [2024-11-08 22:17:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:08,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:08,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:08,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:09,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (899)] Ended with exit code 0 [2024-11-08 22:17:09,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:09,049 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:09,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:09,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:09,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:09,050 INFO L229 MonitoredProcess]: Starting monitored process 900 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:09,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (900)] Waiting until timeout for monitored process [2024-11-08 22:17:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:09,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:09,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:09,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:09,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (900)] Ended with exit code 0 [2024-11-08 22:17:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:09,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:09,800 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:09,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:09,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:09,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:09,801 INFO L229 MonitoredProcess]: Starting monitored process 901 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:09,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (901)] Waiting until timeout for monitored process [2024-11-08 22:17:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:10,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:10,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:10,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:10,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (901)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:10,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:10,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:10,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:10,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:10,541 INFO L229 MonitoredProcess]: Starting monitored process 902 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:10,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (902)] Waiting until timeout for monitored process [2024-11-08 22:17:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:10,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:10,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:10,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:11,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (902)] Ended with exit code 0 [2024-11-08 22:17:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:11,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:11,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:11,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:11,283 INFO L229 MonitoredProcess]: Starting monitored process 903 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:11,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (903)] Waiting until timeout for monitored process [2024-11-08 22:17:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:11,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:11,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:11,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:12,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (903)] Ended with exit code 0 [2024-11-08 22:17:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:12,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:12,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:12,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:12,024 INFO L229 MonitoredProcess]: Starting monitored process 904 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:12,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (904)] Waiting until timeout for monitored process [2024-11-08 22:17:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:12,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:12,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:12,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:12,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (904)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:12,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:12,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:12,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:12,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:12,853 INFO L229 MonitoredProcess]: Starting monitored process 905 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:12,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (905)] Waiting until timeout for monitored process [2024-11-08 22:17:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:13,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:13,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:13,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:13,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (905)] Ended with exit code 0 [2024-11-08 22:17:13,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:13,614 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:13,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:13,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:13,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:13,615 INFO L229 MonitoredProcess]: Starting monitored process 906 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:13,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (906)] Waiting until timeout for monitored process [2024-11-08 22:17:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:13,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:13,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:13,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:14,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (906)] Ended with exit code 0 [2024-11-08 22:17:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:14,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:14,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:14,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:14,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:14,363 INFO L229 MonitoredProcess]: Starting monitored process 907 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:14,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (907)] Waiting until timeout for monitored process [2024-11-08 22:17:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:14,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:14,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:14,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:15,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (907)] Ended with exit code 0 [2024-11-08 22:17:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:15,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:15,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:15,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:15,131 INFO L229 MonitoredProcess]: Starting monitored process 908 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:15,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (908)] Waiting until timeout for monitored process [2024-11-08 22:17:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:15,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:15,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:15,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:15,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (908)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:15,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:15,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:15,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:15,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:15,883 INFO L229 MonitoredProcess]: Starting monitored process 909 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:15,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (909)] Waiting until timeout for monitored process [2024-11-08 22:17:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:16,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:16,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:16,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:16,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (909)] Ended with exit code 0 [2024-11-08 22:17:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:16,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:16,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:16,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:16,627 INFO L229 MonitoredProcess]: Starting monitored process 910 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:16,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (910)] Waiting until timeout for monitored process [2024-11-08 22:17:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:16,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:16,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:16,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:17,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (910)] Ended with exit code 0 [2024-11-08 22:17:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:17,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:17,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:17,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:17,372 INFO L229 MonitoredProcess]: Starting monitored process 911 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:17,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (911)] Waiting until timeout for monitored process [2024-11-08 22:17:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:17,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:17,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:17,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:18,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (911)] Ended with exit code 0 [2024-11-08 22:17:18,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:18,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:18,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:18,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:18,122 INFO L229 MonitoredProcess]: Starting monitored process 912 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:18,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (912)] Waiting until timeout for monitored process [2024-11-08 22:17:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:18,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:18,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:18,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:18,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (912)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:18,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:18,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:18,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:18,873 INFO L229 MonitoredProcess]: Starting monitored process 913 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:18,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (913)] Waiting until timeout for monitored process [2024-11-08 22:17:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:19,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:19,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:19,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:19,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (913)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:19,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:19,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:19,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:19,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:19,634 INFO L229 MonitoredProcess]: Starting monitored process 914 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:19,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (914)] Waiting until timeout for monitored process [2024-11-08 22:17:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:19,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:19,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:19,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:20,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (914)] Ended with exit code 0 [2024-11-08 22:17:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:20,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:20,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:20,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:20,388 INFO L229 MonitoredProcess]: Starting monitored process 915 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:20,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (915)] Waiting until timeout for monitored process [2024-11-08 22:17:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:20,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:20,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:20,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:21,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (915)] Ended with exit code 0 [2024-11-08 22:17:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:21,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:21,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:21,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:21,144 INFO L229 MonitoredProcess]: Starting monitored process 916 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:21,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (916)] Waiting until timeout for monitored process [2024-11-08 22:17:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:21,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:21,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:21,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:21,885 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:21,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (916)] Ended with exit code 0 [2024-11-08 22:17:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:21,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:21,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:21,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:21,892 INFO L229 MonitoredProcess]: Starting monitored process 917 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:21,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (917)] Waiting until timeout for monitored process [2024-11-08 22:17:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:22,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:22,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:22,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:22,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (917)] Ended with exit code 0 [2024-11-08 22:17:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:22,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:22,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:22,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:22,699 INFO L229 MonitoredProcess]: Starting monitored process 918 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:22,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (918)] Waiting until timeout for monitored process [2024-11-08 22:17:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:23,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:23,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:23,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:23,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (918)] Ended with exit code 0 [2024-11-08 22:17:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:23,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:23,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:23,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:23,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:23,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:23,548 INFO L229 MonitoredProcess]: Starting monitored process 919 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:23,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (919)] Waiting until timeout for monitored process [2024-11-08 22:17:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:23,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:23,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:23,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:24,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (919)] Ended with exit code 0 [2024-11-08 22:17:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:24,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:24,307 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:24,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:24,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:24,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:24,310 INFO L229 MonitoredProcess]: Starting monitored process 920 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:24,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (920)] Waiting until timeout for monitored process [2024-11-08 22:17:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:24,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:24,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:24,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:25,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (920)] Ended with exit code 0 [2024-11-08 22:17:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:25,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:25,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:25,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:25,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:25,065 INFO L229 MonitoredProcess]: Starting monitored process 921 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:25,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (921)] Waiting until timeout for monitored process [2024-11-08 22:17:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:25,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:25,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:25,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:25,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (921)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:25,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:25,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:25,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:25,839 INFO L229 MonitoredProcess]: Starting monitored process 922 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:25,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (922)] Waiting until timeout for monitored process [2024-11-08 22:17:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:26,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:26,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:26,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:26,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (922)] Ended with exit code 0 [2024-11-08 22:17:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:26,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:26,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:26,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:26,622 INFO L229 MonitoredProcess]: Starting monitored process 923 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:26,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (923)] Waiting until timeout for monitored process [2024-11-08 22:17:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:26,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:26,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:26,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:27,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (923)] Ended with exit code 0 [2024-11-08 22:17:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:27,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:27,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:27,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:27,445 INFO L229 MonitoredProcess]: Starting monitored process 924 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:27,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (924)] Waiting until timeout for monitored process [2024-11-08 22:17:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:27,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:27,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:27,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:28,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (924)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:28,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:28,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:28,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:28,231 INFO L229 MonitoredProcess]: Starting monitored process 925 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:28,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (925)] Waiting until timeout for monitored process [2024-11-08 22:17:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:28,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:28,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:28,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:28,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (925)] Ended with exit code 0 [2024-11-08 22:17:28,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:28,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:28,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:28,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:28,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:28,965 INFO L229 MonitoredProcess]: Starting monitored process 926 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:28,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (926)] Waiting until timeout for monitored process [2024-11-08 22:17:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:29,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:29,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:29,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:29,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (926)] Ended with exit code 0 [2024-11-08 22:17:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:29,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:29,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:29,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:29,702 INFO L229 MonitoredProcess]: Starting monitored process 927 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:29,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (927)] Waiting until timeout for monitored process [2024-11-08 22:17:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:29,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:30,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:30,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:30,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (927)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:30,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:30,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:30,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:30,436 INFO L229 MonitoredProcess]: Starting monitored process 928 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:30,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (928)] Waiting until timeout for monitored process [2024-11-08 22:17:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:30,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:30,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:30,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:31,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (928)] Ended with exit code 0 [2024-11-08 22:17:31,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:31,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:31,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:31,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:31,180 INFO L229 MonitoredProcess]: Starting monitored process 929 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:31,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (929)] Waiting until timeout for monitored process [2024-11-08 22:17:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:31,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:31,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:31,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:31,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (929)] Ended with exit code 0 [2024-11-08 22:17:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:31,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:31,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:31,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:31,990 INFO L229 MonitoredProcess]: Starting monitored process 930 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:31,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (930)] Waiting until timeout for monitored process [2024-11-08 22:17:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:32,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:32,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:32,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:32,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (930)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:32,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:32,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:32,771 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:32,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:32,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:32,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:32,772 INFO L229 MonitoredProcess]: Starting monitored process 931 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:32,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (931)] Waiting until timeout for monitored process [2024-11-08 22:17:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:33,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:33,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:33,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:33,548 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:33,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (931)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:33,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:33,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:33,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:33,554 INFO L229 MonitoredProcess]: Starting monitored process 932 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:33,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (932)] Waiting until timeout for monitored process [2024-11-08 22:17:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:33,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:33,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:33,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:34,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (932)] Ended with exit code 0 [2024-11-08 22:17:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:34,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:34,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:34,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:34,322 INFO L229 MonitoredProcess]: Starting monitored process 933 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:34,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (933)] Waiting until timeout for monitored process [2024-11-08 22:17:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:34,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:34,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:34,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:35,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (933)] Ended with exit code 0 [2024-11-08 22:17:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:35,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:35,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:35,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:35,073 INFO L229 MonitoredProcess]: Starting monitored process 934 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:35,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (934)] Waiting until timeout for monitored process [2024-11-08 22:17:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:35,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:35,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:35,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:35,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (934)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:35,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:35,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:35,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:35,904 INFO L229 MonitoredProcess]: Starting monitored process 935 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:35,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (935)] Waiting until timeout for monitored process [2024-11-08 22:17:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:36,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:36,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:36,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:36,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (935)] Ended with exit code 0 [2024-11-08 22:17:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:36,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:36,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:36,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:36,666 INFO L229 MonitoredProcess]: Starting monitored process 936 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:36,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (936)] Waiting until timeout for monitored process [2024-11-08 22:17:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:36,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:36,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:36,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:37,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (936)] Ended with exit code 0 [2024-11-08 22:17:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:37,403 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:37,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:37,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:37,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:37,404 INFO L229 MonitoredProcess]: Starting monitored process 937 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:37,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (937)] Waiting until timeout for monitored process [2024-11-08 22:17:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:37,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:37,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:37,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:38,185 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:38,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (937)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:38,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:38,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:38,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:38,191 INFO L229 MonitoredProcess]: Starting monitored process 938 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:38,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (938)] Waiting until timeout for monitored process [2024-11-08 22:17:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:38,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:38,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:38,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:38,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (938)] Ended with exit code 0 [2024-11-08 22:17:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:38,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:38,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:38,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:38,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:38,951 INFO L229 MonitoredProcess]: Starting monitored process 939 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:38,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (939)] Waiting until timeout for monitored process [2024-11-08 22:17:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:39,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:39,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:39,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:39,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (939)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:39,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:39,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:39,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:39,688 INFO L229 MonitoredProcess]: Starting monitored process 940 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:39,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (940)] Waiting until timeout for monitored process [2024-11-08 22:17:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:39,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:40,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:40,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:40,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (940)] Ended with exit code 0 [2024-11-08 22:17:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:40,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:40,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:40,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:40,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:40,434 INFO L229 MonitoredProcess]: Starting monitored process 941 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:40,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (941)] Waiting until timeout for monitored process [2024-11-08 22:17:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:40,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:40,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:40,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:41,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (941)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:41,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:41,176 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:41,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:41,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:41,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:41,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:41,177 INFO L229 MonitoredProcess]: Starting monitored process 942 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:41,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (942)] Waiting until timeout for monitored process [2024-11-08 22:17:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:41,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:41,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:41,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:41,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (942)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:41,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:41,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:41,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:41,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:41,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:41,953 INFO L229 MonitoredProcess]: Starting monitored process 943 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:41,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (943)] Waiting until timeout for monitored process [2024-11-08 22:17:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:42,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:42,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:42,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:42,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (943)] Ended with exit code 0 [2024-11-08 22:17:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:42,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:42,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:42,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:42,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:42,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:42,771 INFO L229 MonitoredProcess]: Starting monitored process 944 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:42,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (944)] Waiting until timeout for monitored process [2024-11-08 22:17:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:43,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:43,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:43,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:43,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (944)] Ended with exit code 0 [2024-11-08 22:17:43,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:43,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:43,562 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:43,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:43,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:43,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:43,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:43,565 INFO L229 MonitoredProcess]: Starting monitored process 945 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:43,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (945)] Waiting until timeout for monitored process [2024-11-08 22:17:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:43,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:43,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:43,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:44,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (945)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:44,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:44,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:44,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:44,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:44,353 INFO L229 MonitoredProcess]: Starting monitored process 946 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:44,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (946)] Waiting until timeout for monitored process [2024-11-08 22:17:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:44,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:44,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:44,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:45,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (946)] Ended with exit code 0 [2024-11-08 22:17:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:45,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:45,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:45,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:45,116 INFO L229 MonitoredProcess]: Starting monitored process 947 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:45,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (947)] Waiting until timeout for monitored process [2024-11-08 22:17:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:45,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:45,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:45,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:45,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (947)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:45,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:45,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:45,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:45,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:45,912 INFO L229 MonitoredProcess]: Starting monitored process 948 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:45,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (948)] Waiting until timeout for monitored process [2024-11-08 22:17:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:46,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:46,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:46,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:46,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (948)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:46,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:46,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:46,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:46,664 INFO L229 MonitoredProcess]: Starting monitored process 949 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:46,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (949)] Waiting until timeout for monitored process [2024-11-08 22:17:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:46,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:46,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:46,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:47,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (949)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:47,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:47,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:47,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:47,416 INFO L229 MonitoredProcess]: Starting monitored process 950 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:47,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (950)] Waiting until timeout for monitored process [2024-11-08 22:17:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:47,743 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:47,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:47,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:48,202 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:48,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (950)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:48,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:48,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:48,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:48,208 INFO L229 MonitoredProcess]: Starting monitored process 951 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:48,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (951)] Waiting until timeout for monitored process [2024-11-08 22:17:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:48,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:48,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:48,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:48,969 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:48,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (951)] Ended with exit code 0 [2024-11-08 22:17:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:48,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:48,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:48,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:48,975 INFO L229 MonitoredProcess]: Starting monitored process 952 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:48,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (952)] Waiting until timeout for monitored process [2024-11-08 22:17:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:49,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:49,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:49,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:49,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (952)] Ended with exit code 0 [2024-11-08 22:17:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:49,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:49,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:49,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:49,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:49,727 INFO L229 MonitoredProcess]: Starting monitored process 953 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:49,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (953)] Waiting until timeout for monitored process [2024-11-08 22:17:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:49,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:50,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:50,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:50,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (953)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:50,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:50,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:50,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:50,467 INFO L229 MonitoredProcess]: Starting monitored process 954 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:50,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (954)] Waiting until timeout for monitored process [2024-11-08 22:17:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:50,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:50,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:50,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:51,274 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:51,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (954)] Ended with exit code 0 [2024-11-08 22:17:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:51,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:51,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:51,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:51,281 INFO L229 MonitoredProcess]: Starting monitored process 955 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:51,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (955)] Waiting until timeout for monitored process [2024-11-08 22:17:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:51,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:51,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:51,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:52,019 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:52,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (955)] Ended with exit code 0 [2024-11-08 22:17:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:52,027 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:52,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:52,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:52,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:52,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:52,028 INFO L229 MonitoredProcess]: Starting monitored process 956 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:52,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (956)] Waiting until timeout for monitored process [2024-11-08 22:17:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:52,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:52,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:52,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:52,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (956)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:52,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:52,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:52,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:52,834 INFO L229 MonitoredProcess]: Starting monitored process 957 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:52,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (957)] Waiting until timeout for monitored process [2024-11-08 22:17:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:53,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:53,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:53,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:53,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (957)] Ended with exit code 0 [2024-11-08 22:17:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:53,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:53,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:53,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:53,626 INFO L229 MonitoredProcess]: Starting monitored process 958 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:53,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (958)] Waiting until timeout for monitored process [2024-11-08 22:17:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:53,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:53,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:53,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:54,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (958)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:54,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:54,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:54,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:54,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:54,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:54,358 INFO L229 MonitoredProcess]: Starting monitored process 959 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:54,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (959)] Waiting until timeout for monitored process [2024-11-08 22:17:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:54,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:54,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:54,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:55,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (959)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:55,168 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:55,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:55,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:55,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:55,169 INFO L229 MonitoredProcess]: Starting monitored process 960 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:55,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (960)] Waiting until timeout for monitored process [2024-11-08 22:17:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:55,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:55,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:55,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:55,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (960)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:55,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:55,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:55,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:55,935 INFO L229 MonitoredProcess]: Starting monitored process 961 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:55,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (961)] Waiting until timeout for monitored process [2024-11-08 22:17:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:56,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:56,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:56,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:56,672 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:56,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (961)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:56,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:56,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:56,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:56,678 INFO L229 MonitoredProcess]: Starting monitored process 962 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:56,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (962)] Waiting until timeout for monitored process [2024-11-08 22:17:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:56,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:56,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:56,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:57,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (962)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:57,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:57,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:57,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:57,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:57,427 INFO L229 MonitoredProcess]: Starting monitored process 963 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:57,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (963)] Waiting until timeout for monitored process [2024-11-08 22:17:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:57,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:57,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:57,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:58,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (963)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:58,178 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:58,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:58,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:58,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:58,179 INFO L229 MonitoredProcess]: Starting monitored process 964 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:58,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (964)] Waiting until timeout for monitored process [2024-11-08 22:17:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:58,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:58,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:58,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:58,943 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:58,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (964)] Ended with exit code 0 [2024-11-08 22:17:58,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:58,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:58,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:58,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:58,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:58,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:58,950 INFO L229 MonitoredProcess]: Starting monitored process 965 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:58,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (965)] Waiting until timeout for monitored process [2024-11-08 22:17:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:59,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:59,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:17:59,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:17:59,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (965)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:59,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:17:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:17:59,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:17:59,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:59,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:59,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:59,736 INFO L229 MonitoredProcess]: Starting monitored process 966 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:59,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (966)] Waiting until timeout for monitored process [2024-11-08 22:18:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:00,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:00,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:00,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:00,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (966)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:00,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:00,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:00,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:00,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:00,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:00,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:00,524 INFO L229 MonitoredProcess]: Starting monitored process 967 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:00,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (967)] Waiting until timeout for monitored process [2024-11-08 22:18:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:00,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:00,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:00,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:01,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (967)] Ended with exit code 0 [2024-11-08 22:18:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:01,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:01,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:01,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:01,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:01,263 INFO L229 MonitoredProcess]: Starting monitored process 968 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:01,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (968)] Waiting until timeout for monitored process [2024-11-08 22:18:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:01,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:01,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:01,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:02,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (968)] Ended with exit code 0 [2024-11-08 22:18:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:02,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:02,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:02,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:02,051 INFO L229 MonitoredProcess]: Starting monitored process 969 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:02,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (969)] Waiting until timeout for monitored process [2024-11-08 22:18:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:02,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:02,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:02,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:02,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (969)] Ended with exit code 0 [2024-11-08 22:18:02,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:02,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:02,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:02,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:02,832 INFO L229 MonitoredProcess]: Starting monitored process 970 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:02,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (970)] Waiting until timeout for monitored process [2024-11-08 22:18:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:03,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:03,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:03,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:03,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (970)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:03,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:03,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:03,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:03,670 INFO L229 MonitoredProcess]: Starting monitored process 971 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:03,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (971)] Waiting until timeout for monitored process [2024-11-08 22:18:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:04,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:04,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:04,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:04,473 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:04,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (971)] Ended with exit code 0 [2024-11-08 22:18:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:04,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:04,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:04,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:04,478 INFO L229 MonitoredProcess]: Starting monitored process 972 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:04,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (972)] Waiting until timeout for monitored process [2024-11-08 22:18:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:04,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:04,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:04,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:05,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (972)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:05,227 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:05,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:05,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:05,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:05,228 INFO L229 MonitoredProcess]: Starting monitored process 973 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:05,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (973)] Waiting until timeout for monitored process [2024-11-08 22:18:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:05,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:05,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:05,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:06,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (973)] Ended with exit code 0 [2024-11-08 22:18:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:06,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:06,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:06,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:06,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:06,047 INFO L229 MonitoredProcess]: Starting monitored process 974 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:06,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (974)] Waiting until timeout for monitored process [2024-11-08 22:18:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:06,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:06,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:06,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:06,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (974)] Ended with exit code 0 [2024-11-08 22:18:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:06,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:06,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:06,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:06,817 INFO L229 MonitoredProcess]: Starting monitored process 975 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:06,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (975)] Waiting until timeout for monitored process [2024-11-08 22:18:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:07,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:07,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:07,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:07,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (975)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:07,610 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:07,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:07,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:07,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:07,611 INFO L229 MonitoredProcess]: Starting monitored process 976 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:07,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (976)] Waiting until timeout for monitored process [2024-11-08 22:18:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:07,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:07,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:07,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:08,407 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:08,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (976)] Ended with exit code 0 [2024-11-08 22:18:08,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:08,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:08,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:08,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:08,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:08,412 INFO L229 MonitoredProcess]: Starting monitored process 977 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:08,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (977)] Waiting until timeout for monitored process [2024-11-08 22:18:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:08,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:08,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:08,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:09,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (977)] Ended with exit code 0 [2024-11-08 22:18:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:09,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:09,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:09,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:09,186 INFO L229 MonitoredProcess]: Starting monitored process 978 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:09,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (978)] Waiting until timeout for monitored process [2024-11-08 22:18:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:09,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:09,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:09,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:09,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (978)] Ended with exit code 0 [2024-11-08 22:18:09,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:09,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:09,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:09,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:09,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:09,968 INFO L229 MonitoredProcess]: Starting monitored process 979 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:09,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (979)] Waiting until timeout for monitored process [2024-11-08 22:18:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:10,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:10,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:10,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:10,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (979)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:10,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:10,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:10,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:10,712 INFO L229 MonitoredProcess]: Starting monitored process 980 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:10,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (980)] Waiting until timeout for monitored process [2024-11-08 22:18:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:10,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:11,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:11,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:11,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (980)] Ended with exit code 0 [2024-11-08 22:18:11,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:11,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:11,447 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:11,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:11,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:11,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:11,448 INFO L229 MonitoredProcess]: Starting monitored process 981 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:11,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (981)] Waiting until timeout for monitored process [2024-11-08 22:18:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:11,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:11,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:11,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:12,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (981)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:12,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:12,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:12,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:12,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:12,188 INFO L229 MonitoredProcess]: Starting monitored process 982 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:12,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (982)] Waiting until timeout for monitored process [2024-11-08 22:18:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:12,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:12,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:12,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:12,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (982)] Ended with exit code 0 [2024-11-08 22:18:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:12,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:12,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:12,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:12,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:12,945 INFO L229 MonitoredProcess]: Starting monitored process 983 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:12,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (983)] Waiting until timeout for monitored process [2024-11-08 22:18:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:13,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:13,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:13,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:13,754 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:13,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (983)] Ended with exit code 0 [2024-11-08 22:18:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:13,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:13,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:13,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:13,761 INFO L229 MonitoredProcess]: Starting monitored process 984 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:13,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (984)] Waiting until timeout for monitored process [2024-11-08 22:18:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:14,076 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:14,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:14,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:14,561 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:14,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (984)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:14,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:14,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:14,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:14,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:14,567 INFO L229 MonitoredProcess]: Starting monitored process 985 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:14,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (985)] Waiting until timeout for monitored process [2024-11-08 22:18:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:14,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:14,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:14,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:15,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (985)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:15,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:15,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:15,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:15,344 INFO L229 MonitoredProcess]: Starting monitored process 986 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:15,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (986)] Waiting until timeout for monitored process [2024-11-08 22:18:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:15,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:15,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:15,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:16,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (986)] Ended with exit code 0 [2024-11-08 22:18:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:16,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:16,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:16,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:16,098 INFO L229 MonitoredProcess]: Starting monitored process 987 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:16,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (987)] Waiting until timeout for monitored process [2024-11-08 22:18:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:16,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:16,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:16,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:16,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (987)] Ended with exit code 0 [2024-11-08 22:18:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:16,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:16,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:16,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:16,868 INFO L229 MonitoredProcess]: Starting monitored process 988 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:16,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (988)] Waiting until timeout for monitored process [2024-11-08 22:18:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:17,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:17,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:17,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:17,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (988)] Ended with exit code 0 [2024-11-08 22:18:17,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:17,662 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:17,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:17,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:17,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:17,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:17,663 INFO L229 MonitoredProcess]: Starting monitored process 989 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:17,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (989)] Waiting until timeout for monitored process [2024-11-08 22:18:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:17,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:17,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:17,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:18,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (989)] Ended with exit code 0 [2024-11-08 22:18:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:18,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:18,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:18,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:18,489 INFO L229 MonitoredProcess]: Starting monitored process 990 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:18,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (990)] Waiting until timeout for monitored process [2024-11-08 22:18:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:18,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:18,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:18,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:19,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (990)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:19,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:19,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:19,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:19,230 INFO L229 MonitoredProcess]: Starting monitored process 991 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:19,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (991)] Waiting until timeout for monitored process [2024-11-08 22:18:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:19,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:19,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:19,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:19,980 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:19,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (991)] Ended with exit code 0 [2024-11-08 22:18:19,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:19,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:19,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:19,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:19,986 INFO L229 MonitoredProcess]: Starting monitored process 992 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:19,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (992)] Waiting until timeout for monitored process [2024-11-08 22:18:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:20,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:20,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:20,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:20,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (992)] Ended with exit code 0 [2024-11-08 22:18:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:20,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:20,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:20,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:20,762 INFO L229 MonitoredProcess]: Starting monitored process 993 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:20,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (993)] Waiting until timeout for monitored process [2024-11-08 22:18:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:21,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:21,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:21,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:21,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (993)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:21,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:21,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:21,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:21,504 INFO L229 MonitoredProcess]: Starting monitored process 994 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:21,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (994)] Waiting until timeout for monitored process [2024-11-08 22:18:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:21,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:21,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:21,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:22,287 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:22,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (994)] Ended with exit code 0 [2024-11-08 22:18:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:22,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:22,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:22,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:22,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:22,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:22,298 INFO L229 MonitoredProcess]: Starting monitored process 995 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:22,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (995)] Waiting until timeout for monitored process [2024-11-08 22:18:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:22,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:22,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:22,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:23,040 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:23,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (995)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:23,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:23,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:23,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:23,047 INFO L229 MonitoredProcess]: Starting monitored process 996 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:23,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (996)] Waiting until timeout for monitored process [2024-11-08 22:18:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:23,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:23,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:23,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:23,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (996)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:23,985 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:23,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:23,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:23,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:23,986 INFO L229 MonitoredProcess]: Starting monitored process 997 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:23,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (997)] Waiting until timeout for monitored process [2024-11-08 22:18:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:24,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:24,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:24,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:24,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (997)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:24,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:24,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:24,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:24,785 INFO L229 MonitoredProcess]: Starting monitored process 998 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:24,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (998)] Waiting until timeout for monitored process [2024-11-08 22:18:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:25,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:25,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:25,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:25,554 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:25,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (998)] Ended with exit code 0 [2024-11-08 22:18:25,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:25,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:25,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:25,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:25,559 INFO L229 MonitoredProcess]: Starting monitored process 999 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:25,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (999)] Waiting until timeout for monitored process [2024-11-08 22:18:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:25,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:25,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:25,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:26,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (999)] Ended with exit code 0 [2024-11-08 22:18:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:26,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:26,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:26,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:26,339 INFO L229 MonitoredProcess]: Starting monitored process 1000 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:26,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1000)] Waiting until timeout for monitored process [2024-11-08 22:18:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:26,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:26,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:26,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:27,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1000)] Ended with exit code 0 [2024-11-08 22:18:27,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:27,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:27,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:27,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:27,147 INFO L229 MonitoredProcess]: Starting monitored process 1001 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:27,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1001)] Waiting until timeout for monitored process [2024-11-08 22:18:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:27,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:27,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:27,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:27,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1001)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:27,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:27,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:27,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:27,973 INFO L229 MonitoredProcess]: Starting monitored process 1002 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:27,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1002)] Waiting until timeout for monitored process [2024-11-08 22:18:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:28,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:28,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:28,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:28,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1002)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:28,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:28,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:28,762 INFO L229 MonitoredProcess]: Starting monitored process 1003 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:28,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1003)] Waiting until timeout for monitored process [2024-11-08 22:18:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:29,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:29,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:29,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:29,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1003)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:29,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:29,529 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:29,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:29,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:29,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:29,531 INFO L229 MonitoredProcess]: Starting monitored process 1004 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:29,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1004)] Waiting until timeout for monitored process [2024-11-08 22:18:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:29,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:29,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:29,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:30,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1004)] Ended with exit code 0 [2024-11-08 22:18:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:30,349 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:30,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:30,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:30,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:30,350 INFO L229 MonitoredProcess]: Starting monitored process 1005 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:30,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1005)] Waiting until timeout for monitored process [2024-11-08 22:18:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:30,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:30,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:30,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:31,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1005)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:31,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:31,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:31,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:31,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:31,093 INFO L229 MonitoredProcess]: Starting monitored process 1006 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:31,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1006)] Waiting until timeout for monitored process [2024-11-08 22:18:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:31,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:31,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:31,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:31,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1006)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:31,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:31,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:31,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:31,852 INFO L229 MonitoredProcess]: Starting monitored process 1007 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:31,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1007)] Waiting until timeout for monitored process [2024-11-08 22:18:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:32,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:32,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:32,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:32,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1007)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:32,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:32,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:32,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:32,659 INFO L229 MonitoredProcess]: Starting monitored process 1008 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:32,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1008)] Waiting until timeout for monitored process [2024-11-08 22:18:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:33,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:33,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:33,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:33,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1008)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:33,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:33,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:33,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:33,568 INFO L229 MonitoredProcess]: Starting monitored process 1009 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:33,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1009)] Waiting until timeout for monitored process [2024-11-08 22:18:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:33,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:33,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:33,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:34,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1009)] Ended with exit code 0 [2024-11-08 22:18:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:34,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:34,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:34,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:34,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:34,339 INFO L229 MonitoredProcess]: Starting monitored process 1010 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:34,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1010)] Waiting until timeout for monitored process [2024-11-08 22:18:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:34,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:34,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:34,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:35,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1010)] Ended with exit code 0 [2024-11-08 22:18:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:35,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:35,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:35,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:35,072 INFO L229 MonitoredProcess]: Starting monitored process 1011 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:35,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1011)] Waiting until timeout for monitored process [2024-11-08 22:18:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:35,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:35,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:35,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:35,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1011)] Ended with exit code 0 [2024-11-08 22:18:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:35,804 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:35,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:35,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:35,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:35,806 INFO L229 MonitoredProcess]: Starting monitored process 1012 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:35,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1012)] Waiting until timeout for monitored process [2024-11-08 22:18:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:36,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:36,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:36,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:36,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1012)] Ended with exit code 0 [2024-11-08 22:18:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:36,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:36,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:36,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:36,564 INFO L229 MonitoredProcess]: Starting monitored process 1013 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:36,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1013)] Waiting until timeout for monitored process [2024-11-08 22:18:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:36,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:36,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:36,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:37,325 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:37,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1013)] Ended with exit code 0 [2024-11-08 22:18:37,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:37,330 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:37,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:37,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:37,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:37,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:37,331 INFO L229 MonitoredProcess]: Starting monitored process 1014 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:37,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1014)] Waiting until timeout for monitored process [2024-11-08 22:18:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:37,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:37,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:37,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:38,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1014)] Ended with exit code 0 [2024-11-08 22:18:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:38,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:38,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:38,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:38,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:38,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:38,103 INFO L229 MonitoredProcess]: Starting monitored process 1015 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:38,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1015)] Waiting until timeout for monitored process [2024-11-08 22:18:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:38,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:38,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:38,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:38,839 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:38,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1015)] Ended with exit code 0 [2024-11-08 22:18:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:38,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:38,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:38,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:38,845 INFO L229 MonitoredProcess]: Starting monitored process 1016 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:38,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1016)] Waiting until timeout for monitored process [2024-11-08 22:18:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:39,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:39,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:39,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:39,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1016)] Ended with exit code 0 [2024-11-08 22:18:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:39,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:39,598 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:39,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:39,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:39,599 INFO L229 MonitoredProcess]: Starting monitored process 1017 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:39,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1017)] Waiting until timeout for monitored process [2024-11-08 22:18:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:39,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:39,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:39,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:40,324 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:40,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1017)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:40,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:40,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:40,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:40,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:40,331 INFO L229 MonitoredProcess]: Starting monitored process 1018 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:40,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1018)] Waiting until timeout for monitored process [2024-11-08 22:18:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:40,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:40,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:40,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:41,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1018)] Ended with exit code 0 [2024-11-08 22:18:41,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:41,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:41,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:41,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:41,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:41,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:41,066 INFO L229 MonitoredProcess]: Starting monitored process 1019 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:41,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1019)] Waiting until timeout for monitored process [2024-11-08 22:18:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:41,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:41,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:41,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:41,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1019)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:41,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:41,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:41,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:41,798 INFO L229 MonitoredProcess]: Starting monitored process 1020 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:41,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1020)] Waiting until timeout for monitored process [2024-11-08 22:18:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:42,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:42,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:42,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:42,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1020)] Ended with exit code 0 [2024-11-08 22:18:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:42,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:42,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:42,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:42,616 INFO L229 MonitoredProcess]: Starting monitored process 1021 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:42,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1021)] Waiting until timeout for monitored process [2024-11-08 22:18:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:43,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:43,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:43,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:43,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1021)] Ended with exit code 0 [2024-11-08 22:18:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:43,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:43,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:43,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:43,465 INFO L229 MonitoredProcess]: Starting monitored process 1022 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:43,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1022)] Waiting until timeout for monitored process [2024-11-08 22:18:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:43,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:43,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:43,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:44,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1022)] Ended with exit code 0 [2024-11-08 22:18:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:44,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:44,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:44,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:44,196 INFO L229 MonitoredProcess]: Starting monitored process 1023 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:44,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1023)] Waiting until timeout for monitored process [2024-11-08 22:18:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:44,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:44,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:44,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:44,926 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:44,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1023)] Ended with exit code 0 [2024-11-08 22:18:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:44,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:44,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:44,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:44,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:44,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:44,932 INFO L229 MonitoredProcess]: Starting monitored process 1024 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:44,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1024)] Waiting until timeout for monitored process [2024-11-08 22:18:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:45,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:45,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:45,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:45,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1024)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:45,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:45,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:45,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:45,694 INFO L229 MonitoredProcess]: Starting monitored process 1025 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:45,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1025)] Waiting until timeout for monitored process [2024-11-08 22:18:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:45,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:46,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:46,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:46,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1025)] Ended with exit code 0 [2024-11-08 22:18:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:46,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:46,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:46,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:46,464 INFO L229 MonitoredProcess]: Starting monitored process 1026 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:46,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1026)] Waiting until timeout for monitored process [2024-11-08 22:18:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:46,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:46,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:46,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:47,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1026)] Ended with exit code 0 [2024-11-08 22:18:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:47,209 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:47,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:47,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:47,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:47,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:47,211 INFO L229 MonitoredProcess]: Starting monitored process 1027 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:47,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1027)] Waiting until timeout for monitored process [2024-11-08 22:18:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:47,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:47,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:47,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:47,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1027)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:47,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:47,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:47,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:47,962 INFO L229 MonitoredProcess]: Starting monitored process 1028 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:47,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1028)] Waiting until timeout for monitored process [2024-11-08 22:18:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:48,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:48,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:48,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:48,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1028)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:48,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:48,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:48,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:48,748 INFO L229 MonitoredProcess]: Starting monitored process 1029 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:48,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1029)] Waiting until timeout for monitored process [2024-11-08 22:18:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:49,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:49,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:49,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:49,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1029)] Ended with exit code 0 [2024-11-08 22:18:49,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:49,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:49,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:49,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:49,556 INFO L229 MonitoredProcess]: Starting monitored process 1030 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:49,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1030)] Waiting until timeout for monitored process [2024-11-08 22:18:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:49,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:49,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:49,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:50,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1030)] Ended with exit code 0 [2024-11-08 22:18:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:50,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:50,396 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:50,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:50,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:50,397 INFO L229 MonitoredProcess]: Starting monitored process 1031 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:50,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1031)] Waiting until timeout for monitored process [2024-11-08 22:18:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:50,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:50,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:50,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:51,181 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:51,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1031)] Ended with exit code 0 [2024-11-08 22:18:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:51,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:51,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:51,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:51,187 INFO L229 MonitoredProcess]: Starting monitored process 1032 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:51,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1032)] Waiting until timeout for monitored process [2024-11-08 22:18:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:51,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:51,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:51,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:51,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1032)] Ended with exit code 0 [2024-11-08 22:18:51,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:51,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:51,991 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:51,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:51,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:51,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:51,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:51,992 INFO L229 MonitoredProcess]: Starting monitored process 1033 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:51,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1033)] Waiting until timeout for monitored process [2024-11-08 22:18:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:52,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:52,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:52,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:52,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1033)] Ended with exit code 0 [2024-11-08 22:18:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:52,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:52,901 INFO L229 MonitoredProcess]: Starting monitored process 1034 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:52,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1034)] Waiting until timeout for monitored process [2024-11-08 22:18:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:53,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:53,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:53,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:53,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1034)] Ended with exit code 0 [2024-11-08 22:18:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:53,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:53,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:53,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:53,663 INFO L229 MonitoredProcess]: Starting monitored process 1035 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:53,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1035)] Waiting until timeout for monitored process [2024-11-08 22:18:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:53,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:53,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:53,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:54,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1035)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:54,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:54,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:54,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:54,437 INFO L229 MonitoredProcess]: Starting monitored process 1036 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:54,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1036)] Waiting until timeout for monitored process [2024-11-08 22:18:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:54,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:54,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:54,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:55,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1036)] Ended with exit code 0 [2024-11-08 22:18:55,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:55,199 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:55,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:55,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:55,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:55,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:55,200 INFO L229 MonitoredProcess]: Starting monitored process 1037 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:55,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1037)] Waiting until timeout for monitored process [2024-11-08 22:18:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:55,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:55,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:55,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:55,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1037)] Ended with exit code 0 [2024-11-08 22:18:55,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:55,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:55,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:55,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:55,940 INFO L229 MonitoredProcess]: Starting monitored process 1038 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:55,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1038)] Waiting until timeout for monitored process [2024-11-08 22:18:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:56,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:56,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:56,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:56,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1038)] Ended with exit code 0 [2024-11-08 22:18:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:56,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:56,672 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:56,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:56,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:56,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:56,673 INFO L229 MonitoredProcess]: Starting monitored process 1039 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:56,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1039)] Waiting until timeout for monitored process [2024-11-08 22:18:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:56,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:57,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:57,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:57,471 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:57,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1039)] Ended with exit code 0 [2024-11-08 22:18:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:57,476 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:57,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:57,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:57,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:57,477 INFO L229 MonitoredProcess]: Starting monitored process 1040 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:57,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1040)] Waiting until timeout for monitored process [2024-11-08 22:18:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:57,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:57,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:57,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:58,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1040)] Ended with exit code 0 [2024-11-08 22:18:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:58,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:58,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:58,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:58,240 INFO L229 MonitoredProcess]: Starting monitored process 1041 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:58,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1041)] Waiting until timeout for monitored process [2024-11-08 22:18:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:58,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:58,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:58,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:59,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1041)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:59,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:59,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:59,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:59,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:59,005 INFO L229 MonitoredProcess]: Starting monitored process 1042 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:59,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1042)] Waiting until timeout for monitored process [2024-11-08 22:18:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:59,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:59,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:18:59,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:18:59,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1042)] Ended with exit code 0 [2024-11-08 22:18:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:18:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:18:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:18:59,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:59,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:59,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:59,785 INFO L229 MonitoredProcess]: Starting monitored process 1043 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:59,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1043)] Waiting until timeout for monitored process [2024-11-08 22:19:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:00,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:00,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:00,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:00,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1043)] Ended with exit code 0 [2024-11-08 22:19:00,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:00,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:00,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:00,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:00,590 INFO L229 MonitoredProcess]: Starting monitored process 1044 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:00,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1044)] Waiting until timeout for monitored process [2024-11-08 22:19:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:00,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:00,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:00,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:01,335 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:01,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1044)] Ended with exit code 0 [2024-11-08 22:19:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:01,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:01,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:01,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:01,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:01,341 INFO L229 MonitoredProcess]: Starting monitored process 1045 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:01,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1045)] Waiting until timeout for monitored process [2024-11-08 22:19:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:01,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:01,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:01,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:02,086 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:02,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1045)] Ended with exit code 0 [2024-11-08 22:19:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:02,090 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:02,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:02,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:02,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:02,092 INFO L229 MonitoredProcess]: Starting monitored process 1046 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:02,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1046)] Waiting until timeout for monitored process [2024-11-08 22:19:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:02,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:02,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:02,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:02,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1046)] Ended with exit code 0 [2024-11-08 22:19:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:02,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:02,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:02,948 INFO L229 MonitoredProcess]: Starting monitored process 1047 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:02,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1047)] Waiting until timeout for monitored process [2024-11-08 22:19:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:03,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:03,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:03,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:03,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1047)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:03,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:03,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:03,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:03,765 INFO L229 MonitoredProcess]: Starting monitored process 1048 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:03,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1048)] Waiting until timeout for monitored process [2024-11-08 22:19:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:04,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:04,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:04,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:04,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1048)] Ended with exit code 0 [2024-11-08 22:19:04,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:04,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:04,552 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:04,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:04,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:04,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:04,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:04,553 INFO L229 MonitoredProcess]: Starting monitored process 1049 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:04,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1049)] Waiting until timeout for monitored process [2024-11-08 22:19:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:04,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:04,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:04,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:05,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1049)] Ended with exit code 0 [2024-11-08 22:19:05,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:05,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:05,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:05,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:05,286 INFO L229 MonitoredProcess]: Starting monitored process 1050 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:05,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1050)] Waiting until timeout for monitored process [2024-11-08 22:19:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:05,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:05,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:05,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:06,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1050)] Ended with exit code 0 [2024-11-08 22:19:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:06,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:06,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:06,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:06,154 INFO L229 MonitoredProcess]: Starting monitored process 1051 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:06,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1051)] Waiting until timeout for monitored process [2024-11-08 22:19:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:06,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:06,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:06,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:06,902 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:06,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1051)] Ended with exit code 0 [2024-11-08 22:19:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:06,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:06,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:06,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:06,909 INFO L229 MonitoredProcess]: Starting monitored process 1052 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:06,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1052)] Waiting until timeout for monitored process [2024-11-08 22:19:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:07,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:07,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:07,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:07,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1052)] Ended with exit code 0 [2024-11-08 22:19:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:07,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:07,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:07,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:07,673 INFO L229 MonitoredProcess]: Starting monitored process 1053 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:07,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1053)] Waiting until timeout for monitored process [2024-11-08 22:19:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:07,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:07,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:07,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:08,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1053)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:08,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:08,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:08,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:08,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:08,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:08,417 INFO L229 MonitoredProcess]: Starting monitored process 1054 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:08,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1054)] Waiting until timeout for monitored process [2024-11-08 22:19:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:08,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:08,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:08,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:09,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1054)] Ended with exit code 0 [2024-11-08 22:19:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:09,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:09,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:09,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:09,190 INFO L229 MonitoredProcess]: Starting monitored process 1055 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:09,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1055)] Waiting until timeout for monitored process [2024-11-08 22:19:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:09,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:09,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:09,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:09,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1055)] Ended with exit code 0 [2024-11-08 22:19:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:09,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:09,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:09,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:09,993 INFO L229 MonitoredProcess]: Starting monitored process 1056 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:09,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1056)] Waiting until timeout for monitored process [2024-11-08 22:19:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:10,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:10,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:10,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:10,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1056)] Ended with exit code 0 [2024-11-08 22:19:10,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:10,785 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:10,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:10,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:10,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:10,786 INFO L229 MonitoredProcess]: Starting monitored process 1057 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:10,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1057)] Waiting until timeout for monitored process [2024-11-08 22:19:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:11,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:11,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:11,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:11,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1057)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:11,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:11,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:11,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:11,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:11,526 INFO L229 MonitoredProcess]: Starting monitored process 1058 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:11,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1058)] Waiting until timeout for monitored process [2024-11-08 22:19:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:11,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:11,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:11,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:12,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1058)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:12,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:12,316 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:12,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:12,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:12,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:12,317 INFO L229 MonitoredProcess]: Starting monitored process 1059 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:12,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1059)] Waiting until timeout for monitored process [2024-11-08 22:19:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:12,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:12,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:12,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:13,206 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:13,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1059)] Ended with exit code 0 [2024-11-08 22:19:13,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:13,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:13,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:13,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:13,212 INFO L229 MonitoredProcess]: Starting monitored process 1060 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:13,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1060)] Waiting until timeout for monitored process [2024-11-08 22:19:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:13,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:13,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:13,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:13,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1060)] Ended with exit code 0 [2024-11-08 22:19:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:13,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:13,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:13,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:13,955 INFO L229 MonitoredProcess]: Starting monitored process 1061 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:13,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1061)] Waiting until timeout for monitored process [2024-11-08 22:19:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:14,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:14,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:14,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:14,712 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:14,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1061)] Ended with exit code 0 [2024-11-08 22:19:14,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:14,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:14,717 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:14,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:14,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:14,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:14,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:14,718 INFO L229 MonitoredProcess]: Starting monitored process 1062 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:14,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1062)] Waiting until timeout for monitored process [2024-11-08 22:19:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:14,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:15,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:15,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:15,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1062)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:15,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:15,522 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:15,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:15,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:15,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:15,523 INFO L229 MonitoredProcess]: Starting monitored process 1063 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:15,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1063)] Waiting until timeout for monitored process [2024-11-08 22:19:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:15,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:15,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:15,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:16,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1063)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:16,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:16,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:16,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:16,274 INFO L229 MonitoredProcess]: Starting monitored process 1064 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:16,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1064)] Waiting until timeout for monitored process [2024-11-08 22:19:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:16,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:16,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:16,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:17,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1064)] Ended with exit code 0 [2024-11-08 22:19:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:17,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:17,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:17,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:17,016 INFO L229 MonitoredProcess]: Starting monitored process 1065 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:17,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1065)] Waiting until timeout for monitored process [2024-11-08 22:19:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:17,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:17,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:17,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:17,774 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:17,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1065)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:17,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:17,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:17,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:17,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:17,780 INFO L229 MonitoredProcess]: Starting monitored process 1066 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:17,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1066)] Waiting until timeout for monitored process [2024-11-08 22:19:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:18,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:18,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:18,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:18,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1066)] Ended with exit code 0 [2024-11-08 22:19:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:18,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:18,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:18,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:18,557 INFO L229 MonitoredProcess]: Starting monitored process 1067 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:18,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1067)] Waiting until timeout for monitored process [2024-11-08 22:19:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:18,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:18,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:18,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:19,287 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:19,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1067)] Ended with exit code 0 [2024-11-08 22:19:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:19,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:19,292 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:19,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:19,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:19,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:19,293 INFO L229 MonitoredProcess]: Starting monitored process 1068 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:19,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1068)] Waiting until timeout for monitored process [2024-11-08 22:19:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:19,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:19,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:19,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:20,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1068)] Ended with exit code 0 [2024-11-08 22:19:20,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:20,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:20,032 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:20,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:20,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:20,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:20,033 INFO L229 MonitoredProcess]: Starting monitored process 1069 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:20,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1069)] Waiting until timeout for monitored process [2024-11-08 22:19:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:20,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:20,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:20,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:20,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1069)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:20,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:20,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:20,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:20,793 INFO L229 MonitoredProcess]: Starting monitored process 1070 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:20,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1070)] Waiting until timeout for monitored process [2024-11-08 22:19:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:21,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:21,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:21,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:21,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1070)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:21,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:21,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:21,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:21,511 INFO L229 MonitoredProcess]: Starting monitored process 1071 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:21,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1071)] Waiting until timeout for monitored process [2024-11-08 22:19:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:21,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:21,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:21,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:22,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1071)] Ended with exit code 0 [2024-11-08 22:19:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:22,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:22,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:22,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:22,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:22,286 INFO L229 MonitoredProcess]: Starting monitored process 1072 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:22,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1072)] Waiting until timeout for monitored process [2024-11-08 22:19:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:22,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:22,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:22,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:23,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1072)] Ended with exit code 0 [2024-11-08 22:19:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:23,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:23,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:23,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:23,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:23,139 INFO L229 MonitoredProcess]: Starting monitored process 1073 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:23,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1073)] Waiting until timeout for monitored process [2024-11-08 22:19:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:23,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:23,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:23,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:23,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1073)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:23,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:23,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:23,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:23,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:23,877 INFO L229 MonitoredProcess]: Starting monitored process 1074 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:23,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1074)] Waiting until timeout for monitored process [2024-11-08 22:19:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:24,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:24,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:24,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:24,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1074)] Ended with exit code 0 [2024-11-08 22:19:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:24,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:24,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:24,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:24,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:24,623 INFO L229 MonitoredProcess]: Starting monitored process 1075 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:24,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1075)] Waiting until timeout for monitored process [2024-11-08 22:19:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:24,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:24,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:24,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:25,406 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:25,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1075)] Ended with exit code 0 [2024-11-08 22:19:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:25,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:25,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:25,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:25,415 INFO L229 MonitoredProcess]: Starting monitored process 1076 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:25,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1076)] Waiting until timeout for monitored process [2024-11-08 22:19:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:25,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:25,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:25,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:26,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1076)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:26,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:26,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:26,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:26,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:26,156 INFO L229 MonitoredProcess]: Starting monitored process 1077 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:26,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1077)] Waiting until timeout for monitored process [2024-11-08 22:19:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:26,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:26,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:26,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:26,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1077)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:26,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:26,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:26,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:26,898 INFO L229 MonitoredProcess]: Starting monitored process 1078 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:26,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1078)] Waiting until timeout for monitored process [2024-11-08 22:19:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:27,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:27,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:27,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:27,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1078)] Ended with exit code 0 [2024-11-08 22:19:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:27,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:27,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:27,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:27,665 INFO L229 MonitoredProcess]: Starting monitored process 1079 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:27,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1079)] Waiting until timeout for monitored process [2024-11-08 22:19:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:27,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:27,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:27,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:28,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1079)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:28,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:28,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:28,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:28,396 INFO L229 MonitoredProcess]: Starting monitored process 1080 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:28,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1080)] Waiting until timeout for monitored process [2024-11-08 22:19:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:28,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:28,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:28,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:29,119 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:29,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1080)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:29,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:29,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:29,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:29,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:29,125 INFO L229 MonitoredProcess]: Starting monitored process 1081 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:29,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1081)] Waiting until timeout for monitored process [2024-11-08 22:19:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:29,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:29,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:29,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:29,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1081)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:29,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:29,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:29,886 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:29,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:29,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:29,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:29,887 INFO L229 MonitoredProcess]: Starting monitored process 1082 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:29,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1082)] Waiting until timeout for monitored process [2024-11-08 22:19:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:30,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:30,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:30,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:30,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1082)] Ended with exit code 0 [2024-11-08 22:19:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:30,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:30,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:30,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:30,635 INFO L229 MonitoredProcess]: Starting monitored process 1083 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:30,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1083)] Waiting until timeout for monitored process [2024-11-08 22:19:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:30,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:30,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:30,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:31,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1083)] Ended with exit code 0 [2024-11-08 22:19:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:31,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:31,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:31,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:31,382 INFO L229 MonitoredProcess]: Starting monitored process 1084 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:31,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1084)] Waiting until timeout for monitored process [2024-11-08 22:19:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:31,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:31,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:31,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:32,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1084)] Ended with exit code 0 [2024-11-08 22:19:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:32,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:32,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:32,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:32,296 INFO L229 MonitoredProcess]: Starting monitored process 1085 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:32,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1085)] Waiting until timeout for monitored process [2024-11-08 22:19:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:32,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:32,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:32,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:33,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1085)] Ended with exit code 0 [2024-11-08 22:19:33,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:33,363 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:33,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:33,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:33,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:33,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:33,364 INFO L229 MonitoredProcess]: Starting monitored process 1086 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:33,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1086)] Waiting until timeout for monitored process [2024-11-08 22:19:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:33,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:33,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:33,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:34,231 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:34,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1086)] Ended with exit code 0 [2024-11-08 22:19:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:34,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:34,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:34,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:34,238 INFO L229 MonitoredProcess]: Starting monitored process 1087 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:34,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1087)] Waiting until timeout for monitored process [2024-11-08 22:19:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:34,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:34,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:34,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:35,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1087)] Ended with exit code 0 [2024-11-08 22:19:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:35,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:35,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:35,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:35,156 INFO L229 MonitoredProcess]: Starting monitored process 1088 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:35,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1088)] Waiting until timeout for monitored process [2024-11-08 22:19:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:35,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:35,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:35,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:35,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1088)] Ended with exit code 0 [2024-11-08 22:19:35,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:35,968 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:35,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:35,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:35,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:35,969 INFO L229 MonitoredProcess]: Starting monitored process 1089 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:35,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1089)] Waiting until timeout for monitored process [2024-11-08 22:19:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:36,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:36,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:36,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:36,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1089)] Ended with exit code 0 [2024-11-08 22:19:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:36,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:36,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:36,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:36,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:36,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:36,769 INFO L229 MonitoredProcess]: Starting monitored process 1090 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:36,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1090)] Waiting until timeout for monitored process [2024-11-08 22:19:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:37,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:37,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:37,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:37,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1090)] Ended with exit code 0 [2024-11-08 22:19:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:37,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:37,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:37,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:37,570 INFO L229 MonitoredProcess]: Starting monitored process 1091 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:37,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1091)] Waiting until timeout for monitored process [2024-11-08 22:19:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:37,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:37,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:37,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:38,397 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:38,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1091)] Ended with exit code 0 [2024-11-08 22:19:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:38,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:38,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:38,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:38,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:38,403 INFO L229 MonitoredProcess]: Starting monitored process 1092 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:38,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1092)] Waiting until timeout for monitored process [2024-11-08 22:19:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:38,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:38,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:38,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:39,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1092)] Ended with exit code 0 [2024-11-08 22:19:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:39,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:39,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:39,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:39,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:39,106 INFO L229 MonitoredProcess]: Starting monitored process 1093 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:39,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1093)] Waiting until timeout for monitored process [2024-11-08 22:19:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:39,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:39,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:39,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:39,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1093)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:39,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:39,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:39,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:39,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:39,936 INFO L229 MonitoredProcess]: Starting monitored process 1094 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:39,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1094)] Waiting until timeout for monitored process [2024-11-08 22:19:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:40,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:40,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:40,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:40,793 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:40,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1094)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:40,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:40,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:40,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:40,800 INFO L229 MonitoredProcess]: Starting monitored process 1095 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:40,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1095)] Waiting until timeout for monitored process [2024-11-08 22:19:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:41,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:41,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:41,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:41,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1095)] Ended with exit code 0 [2024-11-08 22:19:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:41,596 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:41,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:41,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:41,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:41,597 INFO L229 MonitoredProcess]: Starting monitored process 1096 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:41,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1096)] Waiting until timeout for monitored process [2024-11-08 22:19:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:41,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:41,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:41,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:42,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1096)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:42,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:42,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:42,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:42,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:42,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:42,452 INFO L229 MonitoredProcess]: Starting monitored process 1097 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:42,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1097)] Waiting until timeout for monitored process [2024-11-08 22:19:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:42,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:42,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:42,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:43,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1097)] Ended with exit code 0 [2024-11-08 22:19:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:43,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:43,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:43,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:43,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:43,425 INFO L229 MonitoredProcess]: Starting monitored process 1098 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:43,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1098)] Waiting until timeout for monitored process [2024-11-08 22:19:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:43,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:43,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:43,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:44,263 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:44,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1098)] Ended with exit code 0 [2024-11-08 22:19:44,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:44,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:44,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:44,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:44,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:44,269 INFO L229 MonitoredProcess]: Starting monitored process 1099 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:44,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1099)] Waiting until timeout for monitored process [2024-11-08 22:19:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:44,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:44,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:44,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:45,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1099)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:45,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:45,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:45,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:45,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:45,089 INFO L229 MonitoredProcess]: Starting monitored process 1100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:45,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1100)] Waiting until timeout for monitored process [2024-11-08 22:19:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:45,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:45,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:45,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:45,963 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:45,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1100)] Ended with exit code 0 [2024-11-08 22:19:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:45,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:45,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:45,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:45,971 INFO L229 MonitoredProcess]: Starting monitored process 1101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:45,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1101)] Waiting until timeout for monitored process [2024-11-08 22:19:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:46,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:46,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:46,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:46,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1101)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:46,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:46,697 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:46,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:46,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:46,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:46,698 INFO L229 MonitoredProcess]: Starting monitored process 1102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:46,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1102)] Waiting until timeout for monitored process [2024-11-08 22:19:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:46,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:47,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:47,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:47,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1102)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:47,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:47,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:47,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:47,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:47,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:47,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:47,511 INFO L229 MonitoredProcess]: Starting monitored process 1103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:47,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1103)] Waiting until timeout for monitored process [2024-11-08 22:19:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:47,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:47,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:47,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:48,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1103)] Ended with exit code 0 [2024-11-08 22:19:48,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:48,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:48,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:48,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:48,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:48,341 INFO L229 MonitoredProcess]: Starting monitored process 1104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:48,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1104)] Waiting until timeout for monitored process [2024-11-08 22:19:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:48,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:48,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:48,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:49,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1104)] Ended with exit code 0 [2024-11-08 22:19:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:49,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:49,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:49,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:49,197 INFO L229 MonitoredProcess]: Starting monitored process 1105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:49,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1105)] Waiting until timeout for monitored process [2024-11-08 22:19:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:49,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:49,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:49,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:50,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1105)] Ended with exit code 0 [2024-11-08 22:19:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:50,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:50,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:50,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:50,038 INFO L229 MonitoredProcess]: Starting monitored process 1106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:50,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1106)] Waiting until timeout for monitored process [2024-11-08 22:19:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:50,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:50,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:50,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:50,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1106)] Ended with exit code 0 [2024-11-08 22:19:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:50,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:50,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:50,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:50,864 INFO L229 MonitoredProcess]: Starting monitored process 1107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:50,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1107)] Waiting until timeout for monitored process [2024-11-08 22:19:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:51,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:51,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:51,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:51,668 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:51,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1107)] Ended with exit code 0 [2024-11-08 22:19:51,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:51,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:51,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:51,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:51,675 INFO L229 MonitoredProcess]: Starting monitored process 1108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:51,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1108)] Waiting until timeout for monitored process [2024-11-08 22:19:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:51,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:52,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:52,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:52,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1108)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:52,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:52,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:52,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:52,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:52,570 INFO L229 MonitoredProcess]: Starting monitored process 1109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:52,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1109)] Waiting until timeout for monitored process [2024-11-08 22:19:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:52,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:53,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:53,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:53,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1109)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:53,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:53,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:53,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:53,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:53,489 INFO L229 MonitoredProcess]: Starting monitored process 1110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:53,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1110)] Waiting until timeout for monitored process [2024-11-08 22:19:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:53,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:53,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:53,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:54,299 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:54,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1110)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:54,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:54,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:54,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:54,305 INFO L229 MonitoredProcess]: Starting monitored process 1111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:54,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1111)] Waiting until timeout for monitored process [2024-11-08 22:19:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:54,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:54,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:54,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:55,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1111)] Ended with exit code 0 [2024-11-08 22:19:55,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:55,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:55,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:55,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:55,108 INFO L229 MonitoredProcess]: Starting monitored process 1112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:55,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1112)] Waiting until timeout for monitored process [2024-11-08 22:19:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:55,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:55,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:55,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:55,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1112)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:55,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:55,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:55,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:55,958 INFO L229 MonitoredProcess]: Starting monitored process 1113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:55,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1113)] Waiting until timeout for monitored process [2024-11-08 22:19:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:56,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:56,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:56,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:56,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1113)] Ended with exit code 0 [2024-11-08 22:19:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:56,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:56,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:56,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:56,813 INFO L229 MonitoredProcess]: Starting monitored process 1114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:56,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1114)] Waiting until timeout for monitored process [2024-11-08 22:19:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:57,131 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:57,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:57,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:57,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1114)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:57,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:57,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:57,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:57,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:57,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:57,655 INFO L229 MonitoredProcess]: Starting monitored process 1115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:57,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1115)] Waiting until timeout for monitored process [2024-11-08 22:19:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:57,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:58,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:58,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:58,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1115)] Ended with exit code 0 [2024-11-08 22:19:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:58,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:58,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:58,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:58,545 INFO L229 MonitoredProcess]: Starting monitored process 1116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:58,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1116)] Waiting until timeout for monitored process [2024-11-08 22:19:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:58,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:58,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:58,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:19:59,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1116)] Ended with exit code 0 [2024-11-08 22:19:59,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:19:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:19:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:19:59,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:59,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:59,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:59,417 INFO L229 MonitoredProcess]: Starting monitored process 1117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:59,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1117)] Waiting until timeout for monitored process [2024-11-08 22:19:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:59,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:59,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:19:59,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:00,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1117)] Ended with exit code 0 [2024-11-08 22:20:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:00,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:00,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:00,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:00,288 INFO L229 MonitoredProcess]: Starting monitored process 1118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:00,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1118)] Waiting until timeout for monitored process [2024-11-08 22:20:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:00,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:00,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:00,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:01,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1118)] Ended with exit code 0 [2024-11-08 22:20:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:01,171 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:01,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:01,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:01,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:01,172 INFO L229 MonitoredProcess]: Starting monitored process 1119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:01,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1119)] Waiting until timeout for monitored process [2024-11-08 22:20:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:01,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:01,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:01,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:02,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1119)] Ended with exit code 0 [2024-11-08 22:20:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:02,045 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:02,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:02,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:02,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:02,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:02,046 INFO L229 MonitoredProcess]: Starting monitored process 1120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:02,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1120)] Waiting until timeout for monitored process [2024-11-08 22:20:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:02,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:02,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:02,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:02,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1120)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:02,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:02,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:02,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:02,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:02,996 INFO L229 MonitoredProcess]: Starting monitored process 1121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:02,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1121)] Waiting until timeout for monitored process [2024-11-08 22:20:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:03,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:03,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:03,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:03,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1121)] Ended with exit code 0 [2024-11-08 22:20:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:03,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:03,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:03,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:03,805 INFO L229 MonitoredProcess]: Starting monitored process 1122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:03,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1122)] Waiting until timeout for monitored process [2024-11-08 22:20:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:04,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:04,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:04,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:04,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1122)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:04,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:04,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:04,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:04,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:04,646 INFO L229 MonitoredProcess]: Starting monitored process 1123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:04,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1123)] Waiting until timeout for monitored process [2024-11-08 22:20:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:04,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:04,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:04,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:05,438 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:05,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1123)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:05,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:05,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:05,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:05,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:05,445 INFO L229 MonitoredProcess]: Starting monitored process 1124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:05,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1124)] Waiting until timeout for monitored process [2024-11-08 22:20:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:05,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:05,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:05,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:06,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1124)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:06,292 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:06,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:06,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:06,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:06,293 INFO L229 MonitoredProcess]: Starting monitored process 1125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:06,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1125)] Waiting until timeout for monitored process [2024-11-08 22:20:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:06,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:06,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:06,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:07,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1125)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:07,146 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:07,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:07,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:07,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:07,148 INFO L229 MonitoredProcess]: Starting monitored process 1126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:07,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1126)] Waiting until timeout for monitored process [2024-11-08 22:20:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:07,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:07,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:07,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:07,943 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:07,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1126)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:20:07,948 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:20:07,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:20:07,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:07,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:07,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:07,949 INFO L229 MonitoredProcess]: Starting monitored process 1127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:07,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfd47a2-13f2-484f-9b4c-58a8b7bf571e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1127)] Waiting until timeout for monitored process [2024-11-08 22:20:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:08,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:08,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:20:08,331 INFO L278 TraceCheckSpWp]: Computing forward predicates...