./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/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_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/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_7f877608-1b0f-40c7-9502-816de6826d37/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 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:21:17,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:21:17,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:21:17,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:21:17,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:21:17,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:21:17,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:21:17,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:21:17,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:21:17,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:21:17,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:21:17,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:21:17,402 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:21:17,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:21:17,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:21:17,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:21:17,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:21:17,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:21:17,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:21:17,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:21:17,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:21:17,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:21:17,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:21:17,412 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:21:17,413 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:21:17,413 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:21:17,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:21:17,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:17,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:21:17,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:21:17,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:21:17,427 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:21:17,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:21:17,427 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_7f877608-1b0f-40c7-9502-816de6826d37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c [2024-11-09 00:21:17,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:21:17,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:21:17,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:21:17,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:21:17,760 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:21:17,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i Unable to find full path for "g++" [2024-11-09 00:21:19,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:21:19,987 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:21:19,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-11-09 00:21:19,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/data/271279485/1e23f589326f42a29a0b1996e5754899/FLAGd8da75f2c [2024-11-09 00:21:20,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/data/271279485/1e23f589326f42a29a0b1996e5754899 [2024-11-09 00:21:20,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:21:20,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:21:20,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:20,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:21:20,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:21:20,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd1ed05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20, skipping insertion in model container [2024-11-09 00:21:20,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:21:20,549 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_7f877608-1b0f-40c7-9502-816de6826d37/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-11-09 00:21:20,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:20,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:21:20,604 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_7f877608-1b0f-40c7-9502-816de6826d37/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-11-09 00:21:20,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:20,637 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:21:20,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20 WrapperNode [2024-11-09 00:21:20,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:20,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:20,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:21:20,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:21:20,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,674 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2024-11-09 00:21:20,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:20,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:21:20,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:21:20,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:21:20,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:21:20,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:21:20,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:21:20,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:21:20,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:20" (1/1) ... [2024-11-09 00:21:20,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:20,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:21:20,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:21:20,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:21:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:21:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:21:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:21:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:21:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:21:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:21:20,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:21:20,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:21:21,085 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:21:21,085 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:21:21,195 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:21:21,195 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:21:21,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:21 BoogieIcfgContainer [2024-11-09 00:21:21,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:21:21,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:21:21,197 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:21:21,205 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:21:21,206 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:21" (1/1) ... [2024-11-09 00:21:21,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:21:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-09 00:21:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-09 00:21:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:21,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:21,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:21:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:21,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:21:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:21,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:21:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:21,674 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:21:21,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:21:21 ImpRootNode [2024-11-09 00:21:21,720 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:21:21,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:21:21,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:21:21,723 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:21:21,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:21" (3/4) ... [2024-11-09 00:21:21,729 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:21:21,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:21:21,734 INFO L158 Benchmark]: Toolchain (without parser) took 1406.72ms. Allocated memory is still 127.9MB. Free memory was 98.4MB in the beginning and 93.4MB in the end (delta: 5.0MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-09 00:21:21,734 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:21,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.39ms. Allocated memory is still 127.9MB. Free memory was 98.4MB in the beginning and 85.6MB in the end (delta: 12.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:21:21,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.89ms. Allocated memory is still 127.9MB. Free memory was 85.2MB in the beginning and 83.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:21,736 INFO L158 Benchmark]: Boogie Preprocessor took 24.84ms. Allocated memory is still 127.9MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 889.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:21:21,738 INFO L158 Benchmark]: RCFGBuilder took 494.27ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 67.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:21:21,739 INFO L158 Benchmark]: CodeCheck took 523.98ms. Allocated memory is still 127.9MB. Free memory was 67.2MB in the beginning and 94.0MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:21,740 INFO L158 Benchmark]: Witness Printer took 8.55ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 93.4MB in the end (delta: 587.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:21,745 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 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 31, overapproximation of someBinaryFLOATComparisonOperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] double var_1_2 = 999999.2; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 100.52; [L26] double var_1_5 = 31.2; [L27] float var_1_6 = 5.8; [L58] isInitial = 1 [L59] FCALL initially() [L60] COND TRUE 1 [L61] FCALL updateLastVariables() [L62] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L43] var_1_3 = __VERIFIER_nondet_uchar() [L44] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L45] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L46] var_1_5 = __VERIFIER_nondet_double() [L47] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=29/5] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=29/5] [L48] var_1_6 = __VERIFIER_nondet_float() [L49] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25] [L62] RET updateVariables() [L63] CALL step() [L31] COND FALSE !(var_1_2 <= var_1_5) [L36] COND TRUE 1.125 >= var_1_4 [L37] var_1_1 = (! (! var_1_3)) [L63] RET step() [L64] CALL, EXPR property() [L54-L55] return ((1.125 >= var_1_4) ? (var_1_1 == ((unsigned char) (! (! var_1_3)))) : 1) && ((var_1_2 <= var_1_5) ? ((! var_1_3) ? (var_1_4 == ((float) var_1_6)) : 1) : 1) ; [L64] RET, EXPR property() [L64] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=2513/25] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=2513/25] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.39ms. Allocated memory is still 127.9MB. Free memory was 98.4MB in the beginning and 85.6MB in the end (delta: 12.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.89ms. Allocated memory is still 127.9MB. Free memory was 85.2MB in the beginning and 83.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.84ms. Allocated memory is still 127.9MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 889.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.27ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 67.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 523.98ms. Allocated memory is still 127.9MB. Free memory was 67.2MB in the beginning and 94.0MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.55ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 93.4MB in the end (delta: 587.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:21:21,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/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_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/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_7f877608-1b0f-40c7-9502-816de6826d37/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 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:21:24,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:21:24,384 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:21:24,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:21:24,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:21:24,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:21:24,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:21:24,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:21:24,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:21:24,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:21:24,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:21:24,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:21:24,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:21:24,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:21:24,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:21:24,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:21:24,419 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:21:24,420 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:21:24,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:21:24,420 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:21:24,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:21:24,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:21:24,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:21:24,422 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:21:24,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:21:24,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:21:24,423 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:24,424 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:21:24,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:21:24,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:24,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:21:24,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:21:24,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:21:24,426 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:21:24,426 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:24,427 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:21:24,427 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_7f877608-1b0f-40c7-9502-816de6826d37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c [2024-11-09 00:21:24,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:21:24,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:21:24,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:21:24,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:21:24,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:21:24,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i Unable to find full path for "g++" [2024-11-09 00:21:26,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:21:27,199 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:21:27,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-11-09 00:21:27,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/data/813112d79/0054f635a4d94c0f8cef5ea3f0a3278d/FLAGa7b3d5cea [2024-11-09 00:21:27,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/data/813112d79/0054f635a4d94c0f8cef5ea3f0a3278d [2024-11-09 00:21:27,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:21:27,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:21:27,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:27,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:21:27,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:21:27,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125c70a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27, skipping insertion in model container [2024-11-09 00:21:27,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:21:27,519 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_7f877608-1b0f-40c7-9502-816de6826d37/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-11-09 00:21:27,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:27,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:21:27,613 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_7f877608-1b0f-40c7-9502-816de6826d37/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-11-09 00:21:27,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:27,668 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:21:27,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27 WrapperNode [2024-11-09 00:21:27,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:27,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:27,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:21:27,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:21:27,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,725 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2024-11-09 00:21:27,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:27,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:21:27,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:21:27,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:21:27,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:21:27,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:21:27,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:21:27,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:21:27,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:27" (1/1) ... [2024-11-09 00:21:27,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:27,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:21:27,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:21:27,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:21:27,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:21:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:21:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:21:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:21:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:21:27,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:21:27,934 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:21:27,935 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:21:28,395 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:21:28,395 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:21:28,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:21:28,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:21:28,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:28 BoogieIcfgContainer [2024-11-09 00:21:28,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:21:28,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:21:28,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:21:28,546 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:21:28,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:28" (1/1) ... [2024-11-09 00:21:28,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:21:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-09 00:21:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-09 00:21:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:28,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:28,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:28,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:28,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:28,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:21:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:29,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:29,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:29,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:31,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:21:32,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:32,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-09 00:21:32,734 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-09 00:21:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:32,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:32,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:32,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:32,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:32,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:21:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:33,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:33,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:21:33,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:35,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:21:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-09 00:21:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-09 00:21:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:36,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:36,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:36,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:36,518 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:36,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:21:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:37,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:37,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:37,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:38,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:21:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:38,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-09 00:21:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-09 00:21:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:38,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:38,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:38,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:38,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:38,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:21:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:39,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:39,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:39,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:41,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-09 00:21:41,138 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-09 00:21:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:41,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:41,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:41,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:41,143 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:41,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:21:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:41,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:41,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:41,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:43,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:21:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-09 00:21:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-09 00:21:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:43,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:43,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:43,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:43,253 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:43,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:21:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:44,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:44,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:44,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:45,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:21:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-09 00:21:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-09 00:21:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:45,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:45,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:45,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:45,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:21:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:46,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:46,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:46,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:47,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:48,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:21:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:21:48,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:48,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:48,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:48,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:48,055 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:48,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:21:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:48,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:48,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:48,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:49,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:21:49,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:49,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:21:49,800 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:21:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:49,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:49,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:49,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:49,804 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:49,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:21:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:50,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:50,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:50,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:51,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:51,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:51,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:21:51,466 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:21:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:51,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:51,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:51,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:51,473 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:51,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:21:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:52,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:52,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:52,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:53,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:21:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:21:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:53,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:53,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:53,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:53,421 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:53,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:21:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:54,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:54,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:54,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:55,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:21:55,067 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:21:55,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:55,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:55,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:55,072 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:55,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:21:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:55,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:55,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:55,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:57,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:57,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:21:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:21:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:57,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:57,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:57,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:57,083 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:57,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:21:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:57,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:57,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:57,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:21:58,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:21:58,931 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:21:58,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:21:58,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:58,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:58,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:58,936 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:58,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:21:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:59,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:59,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:59,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:00,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:00,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:00,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:00,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:00,727 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:00,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:22:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:01,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:01,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:01,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:02,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:22:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:02,768 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:02,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:02,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:02,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:02,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:02,772 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:02,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:22:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:03,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:03,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:03,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:04,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:22:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:04,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:04,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:04,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:04,810 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:04,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:22:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:05,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:05,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:05,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:06,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:06,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:06,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:06,561 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:06,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:22:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:07,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:07,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:07,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:08,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 00:22:08,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:08,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:08,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:08,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:08,374 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:08,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:22:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:08,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:09,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:09,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:09,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-09 00:22:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:09,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:09,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:09,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:09,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:09,992 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:09,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:22:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:10,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:10,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:10,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:11,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:11,576 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:11,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:11,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:11,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:11,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:11,580 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:11,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:22:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:12,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:12,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:12,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:13,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:13,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:13,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:13,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:13,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:13,481 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:13,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:22:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:14,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:14,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:14,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:15,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-09 00:22:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:15,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:15,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:15,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:15,247 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:15,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:22:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:15,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:15,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:15,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:16,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:16,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:17,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:17,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:17,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:17,019 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:17,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:22:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:17,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:17,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:17,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:18,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:18,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:18,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:18,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:18,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:18,999 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:19,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:22:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:19,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:19,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:19,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:20,756 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:20,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:20,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:20,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:20,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:20,777 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:20,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:22:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:21,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:21,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:21,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:22,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:22,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:22,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:22,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:22,727 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:22,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:22:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:23,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:23,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:23,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:24,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:24,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:24,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:24,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:24,316 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:24,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:22:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:24,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:24,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:24,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:25,814 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:25,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-09 00:22:25,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:25,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:25,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:25,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:25,828 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:25,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:22:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:26,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:26,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:26,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:27,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:27,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:27,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:27,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:27,487 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:27,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:22:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:28,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:28,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:28,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:29,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-09 00:22:29,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:29,264 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:29,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:29,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:29,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:29,268 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:29,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:22:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:29,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:29,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:29,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:30,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-09 00:22:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:30,912 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:30,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:30,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:30,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:30,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:30,917 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:30,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:22:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:31,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:31,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:31,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:32,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:32,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:32,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:32,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:32,702 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:32,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:22:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:33,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:33,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:33,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:34,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:34,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:34,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:34,438 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:34,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:34,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:34,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:34,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:34,443 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:34,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:22:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:35,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:35,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:35,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:36,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:36,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:36,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:36,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:36,161 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:36,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:22:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:36,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:36,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:36,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:37,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:37,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:37,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:37,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:37,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:37,737 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:37,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:22:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:38,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:38,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:38,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:39,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:39,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:39,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:39,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:39,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:39,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:39,252 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:39,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:22:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:39,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:39,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:39,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:40,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:40,813 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:40,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:40,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:40,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:40,817 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:40,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:22:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:41,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:41,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:41,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:42,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:42,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:42,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:42,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:42,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:42,365 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:42,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:22:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:42,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:43,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:43,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:44,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-09 00:22:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:44,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:44,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:44,177 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:44,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:22:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:44,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:44,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:44,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:45,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:45,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:45,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:45,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:45,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:45,664 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:45,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:22:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:46,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:46,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:46,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:47,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:47,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:47,196 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:47,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:47,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:47,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:47,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:47,200 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:47,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:22:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:47,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:47,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:47,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:48,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-09 00:22:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:48,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:48,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:48,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:48,724 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:48,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:22:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:49,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:49,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:49,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:50,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:50,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:50,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:50,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:50,434 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:50,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:22:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:51,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:51,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:51,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:51,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:51,946 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:51,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:51,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:51,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:51,948 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:51,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:22:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:52,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:52,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:52,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:53,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:53,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:53,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:53,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:53,680 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:53,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:22:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:54,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:54,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:54,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:55,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:55,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:55,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:55,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:55,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:55,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:55,253 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:55,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 00:22:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:55,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:55,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:55,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:56,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:56,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:56,741 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:56,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:56,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:56,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:56,745 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:56,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 00:22:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:57,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:57,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:57,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:58,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:58,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:58,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:58,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:58,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:58,329 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:58,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 00:22:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:58,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:58,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:22:58,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:22:59,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-09 00:22:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:22:59,733 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:22:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:22:59,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:59,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:59,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:59,736 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:59,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 00:23:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:00,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:00,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:00,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:01,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-09 00:23:01,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:01,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:01,186 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:01,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:01,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:01,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:01,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:01,187 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:01,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 00:23:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:01,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:01,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:01,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:02,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:03,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:03,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:03,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:03,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:03,077 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:03,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 00:23:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:03,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:03,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:03,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:04,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:04,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:04,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:04,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:04,761 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:04,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 00:23:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:05,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:05,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:05,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:06,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-09 00:23:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:06,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:06,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:06,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:06,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:06,217 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:06,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 00:23:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:06,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:06,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:06,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:07,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:07,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-09 00:23:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:07,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:07,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:07,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:07,978 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:07,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 00:23:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:08,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:08,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:08,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:09,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:09,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:09,429 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:09,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:09,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:09,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:09,431 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:09,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 00:23:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:09,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:10,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:10,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:10,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:10,966 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:10,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:10,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:10,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:10,968 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:10,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 00:23:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:11,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:11,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:11,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:12,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:12,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:12,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:12,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:12,553 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:12,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-09 00:23:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:13,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:13,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:13,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:14,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:14,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:14,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:14,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:14,173 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:14,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-09 00:23:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:14,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:14,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:14,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:15,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:15,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:15,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:15,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:15,684 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:15,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-09 00:23:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:16,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:16,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:16,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:17,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-09 00:23:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:17,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:17,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:17,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:17,268 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:17,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-09 00:23:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:17,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:17,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:17,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:18,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:18,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:18,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:18,844 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:18,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:18,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:18,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:18,848 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:18,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-09 00:23:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:19,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:19,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:19,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:20,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:20,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:20,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:20,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:20,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:20,647 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:20,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-09 00:23:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:21,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:21,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:21,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:22,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:22,356 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:22,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:22,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:22,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:22,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:22,359 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:22,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-09 00:23:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:23,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:23,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:23,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:24,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-09 00:23:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:24,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:24,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:24,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:24,014 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:24,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-09 00:23:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:24,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:24,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:24,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:25,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-09 00:23:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:25,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:25,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:25,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:25,475 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:25,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-09 00:23:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:26,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:26,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:26,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:26,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-09 00:23:26,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:26,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:26,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:26,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:26,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:26,936 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:26,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-09 00:23:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:27,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:27,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:27,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:28,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-09 00:23:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:28,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:28,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:28,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:28,445 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:28,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-09 00:23:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:29,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:29,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:29,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:29,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:29,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:29,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:29,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:29,899 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:29,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-09 00:23:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:30,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:30,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:30,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:31,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:31,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:31,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:31,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:31,400 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:31,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-09 00:23:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:31,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:32,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:32,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:33,128 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:33,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:33,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:33,137 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:33,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:33,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:33,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:33,141 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:33,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-09 00:23:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:33,696 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:33,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:33,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:34,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-09 00:23:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:34,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:34,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:34,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:34,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:34,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:34,762 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:34,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-09 00:23:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:35,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:35,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:35,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:36,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:36,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:36,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:36,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:36,297 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:36,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-09 00:23:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:36,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:36,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:36,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:37,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:37,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:37,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:37,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:37,820 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:37,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-09 00:23:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:38,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:38,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:38,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:39,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:39,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:39,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:39,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:39,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:39,279 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:39,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-09 00:23:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:39,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:39,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:39,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:40,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-09 00:23:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:40,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:40,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:40,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:40,746 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:40,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-09 00:23:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:41,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:41,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:41,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:42,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:42,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:42,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:42,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:42,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:42,383 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:42,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-09 00:23:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:43,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:43,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:43,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:43,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:43,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:43,897 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:43,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:43,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:43,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:43,901 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:43,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-09 00:23:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:44,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:44,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:44,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:45,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:45,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:45,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:45,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:45,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:45,463 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:45,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-09 00:23:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:46,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:46,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:46,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:47,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-09 00:23:47,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:47,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:47,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:47,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:47,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:47,269 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:47,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-09 00:23:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:47,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:47,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:47,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:48,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:48,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:48,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:48,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:48,773 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:48,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-09 00:23:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:49,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:49,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:49,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:50,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:50,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:50,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:50,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:50,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:50,494 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:50,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-09 00:23:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:51,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:51,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:51,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:52,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:52,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:52,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:52,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:52,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:52,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:52,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:52,110 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:52,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-09 00:23:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:52,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:52,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:52,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:53,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:53,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:53,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:53,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:53,682 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:53,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-09 00:23:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:54,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:54,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:54,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:55,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:55,252 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:55,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:55,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:55,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:55,257 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:55,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-09 00:23:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:55,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:55,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:55,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:56,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:56,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:56,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:56,863 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:56,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:56,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:56,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:56,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:56,864 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:56,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-09 00:23:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:57,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:57,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:57,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:58,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-09 00:23:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:58,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:58,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:58,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:58,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:58,275 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:58,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-09 00:23:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:58,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:58,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:23:58,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:23:59,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:59,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:59,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:23:59,723 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:23:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:23:59,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:59,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:59,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:59,724 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:59,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-09 00:24:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:00,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:00,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:00,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:01,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:01,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:01,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:01,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:01,392 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:01,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-09 00:24:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:01,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:01,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:01,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:03,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:03,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:03,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:03,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:03,179 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:03,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-09 00:24:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:03,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:03,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:03,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:04,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:04,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:04,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:04,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:04,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:04,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:04,855 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:04,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-09 00:24:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:05,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:05,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:05,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:06,368 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:06,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:06,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:06,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:06,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:06,380 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:06,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-09 00:24:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:06,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:06,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:06,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:07,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:08,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:08,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:08,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:08,012 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:08,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-09 00:24:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:08,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:08,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:08,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:09,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-09 00:24:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:09,417 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:09,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:09,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:09,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:09,419 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:09,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-09 00:24:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:09,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:10,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:10,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:10,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:10,935 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:10,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:10,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:10,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:10,937 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:10,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-09 00:24:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:11,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:11,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:11,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:12,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:12,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:12,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:12,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:12,510 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:12,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-09 00:24:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:13,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:13,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:13,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:14,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:14,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:14,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:14,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:14,278 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:14,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-09 00:24:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:14,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:14,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:14,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:15,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:15,896 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:15,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:15,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:15,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:15,897 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:15,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-09 00:24:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:16,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:16,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:16,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:17,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:17,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:17,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:17,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:17,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:17,661 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:17,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-09 00:24:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:18,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:18,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:18,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:19,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-09 00:24:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:19,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:19,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:19,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:19,409 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:19,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-09 00:24:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:20,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:20,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:20,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:21,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:21,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:21,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:21,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:21,025 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:21,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-09 00:24:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:21,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:21,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:21,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:22,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:22,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:22,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:22,812 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:22,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:22,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:22,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:22,814 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:22,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-09 00:24:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:23,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:23,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:23,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:24,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:24,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:24,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:24,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:24,533 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:24,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-09 00:24:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:25,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:25,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:25,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:26,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-09 00:24:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:26,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:26,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:26,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:26,183 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:26,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-09 00:24:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:26,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:26,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:26,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:27,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:27,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:27,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:27,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:27,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:27,770 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:27,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-09 00:24:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:28,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:28,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:28,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:29,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:29,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:29,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:29,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:29,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:29,339 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:29,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-09 00:24:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:29,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:29,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:29,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:30,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:30,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:30,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:30,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:30,962 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:30,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-09 00:24:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:31,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:31,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:31,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:32,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-09 00:24:32,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:32,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:32,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:32,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:32,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:32,597 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:32,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-09 00:24:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:33,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:33,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:33,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:34,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-09 00:24:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:34,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:34,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:34,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:34,394 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:34,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-09 00:24:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:34,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:34,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:34,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:35,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-09 00:24:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:35,904 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:35,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:35,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:35,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:35,905 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:35,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-09 00:24:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:36,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:36,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:36,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:37,374 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:37,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-09 00:24:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:37,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:37,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:37,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:37,383 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:37,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-09 00:24:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:37,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:37,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:37,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:39,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-09 00:24:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-09 00:24:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-09 00:24:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:39,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:39,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:39,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:39,146 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:39,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-09 00:24:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:39,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:39,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:39,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:42,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:43,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-09 00:24:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-09 00:24:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:43,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:43,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:43,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:43,409 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:43,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-09 00:24:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:43,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:43,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:43,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:45,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:45,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-09 00:24:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-09 00:24:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:45,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:45,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:45,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:45,624 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:45,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-09 00:24:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:46,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:46,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:46,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:47,189 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:47,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-09 00:24:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-09 00:24:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-09 00:24:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:47,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:47,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:47,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:47,200 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:47,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-09 00:24:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:47,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:47,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:47,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:48,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-09 00:24:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-09 00:24:48,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:48,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:48,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:48,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:48,772 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:48,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-09 00:24:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:49,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:49,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:49,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:50,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-09 00:24:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-09 00:24:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:50,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:50,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:50,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:50,452 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:50,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-09 00:24:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:51,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:51,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:51,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:52,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-09 00:24:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-09 00:24:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-09 00:24:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:52,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:52,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:52,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:52,126 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:52,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-09 00:24:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:52,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:52,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:52,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:53,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-09 00:24:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-09 00:24:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:53,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:53,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:53,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:53,863 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:53,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-09 00:24:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:54,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:54,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:54,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:55,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:24:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:24:55,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:55,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:55,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:55,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:55,820 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:55,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-09 00:24:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:56,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:56,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:56,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:57,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-09 00:24:57,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:24:57,292 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:24:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:57,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:57,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:57,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:57,294 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:57,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-09 00:24:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:57,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:57,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:57,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:24:58,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:24:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:24:58,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:58,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:58,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:58,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:58,919 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:58,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-09 00:24:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:59,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:59,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:24:59,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:00,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:00,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:00,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:00,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:00,527 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:00,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-09 00:25:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:01,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:01,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:01,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:02,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-09 00:25:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:02,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:02,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:02,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:02,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:02,181 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:02,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-09 00:25:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:02,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:02,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:02,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:03,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-09 00:25:03,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:03,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:03,961 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:03,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:03,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:03,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:03,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:03,963 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:03,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-09 00:25:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:04,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:04,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:04,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:05,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-09 00:25:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:05,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:05,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:05,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:05,436 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:05,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-09 00:25:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:05,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:06,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:06,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:07,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:07,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:07,041 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:07,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:07,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:07,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:07,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:07,045 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:07,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-09 00:25:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:07,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:07,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:07,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:08,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:08,691 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:08,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:08,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:08,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:08,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:08,697 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:08,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-09 00:25:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:09,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:09,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:09,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:10,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:10,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:10,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:10,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:10,342 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:10,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-09 00:25:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:10,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:10,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:10,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:12,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:12,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:12,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:12,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:12,044 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:12,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-09 00:25:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:12,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:12,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:12,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:13,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:13,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:13,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:13,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:13,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:13,686 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:13,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-09 00:25:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:14,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:14,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:14,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:15,346 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:15,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:15,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:15,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:15,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:15,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:15,356 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:15,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-09 00:25:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:15,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:15,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:15,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:16,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:16,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:16,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:16,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:16,947 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:16,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-09 00:25:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:17,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:17,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:17,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:18,676 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:18,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-09 00:25:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:18,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:18,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:18,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:18,689 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:18,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-09 00:25:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:19,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:19,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:19,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:20,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:20,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:20,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:20,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:20,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:20,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:20,394 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:20,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-09 00:25:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:20,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:20,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:20,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:21,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:22,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:22,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:22,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:22,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:22,008 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:22,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-09 00:25:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:22,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:22,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:22,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:23,587 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:23,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-09 00:25:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:23,597 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:23,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:23,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:23,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:23,600 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:23,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-09 00:25:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:24,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:24,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:24,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:25,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:25,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:25,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:25,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:25,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:25,127 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:25,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-09 00:25:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:25,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:25,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:25,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:26,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:26,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:26,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:26,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:26,737 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:26,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-09 00:25:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:27,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:27,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:27,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:28,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:28,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:28,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:28,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:28,228 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:28,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-09 00:25:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:28,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:28,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:28,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:29,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:29,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:29,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:29,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:29,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:29,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:29,821 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:29,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-09 00:25:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:30,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:30,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:30,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:31,434 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:31,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:31,444 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:31,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:31,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:31,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:31,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:31,450 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:31,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-09 00:25:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:32,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:32,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:32,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:33,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-09 00:25:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:33,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:33,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:33,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:33,134 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:33,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-09 00:25:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:33,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:33,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:33,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:34,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:34,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:34,765 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:34,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:34,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:34,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:34,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:34,769 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:34,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-09 00:25:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:35,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:35,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:35,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:36,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:36,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:36,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:36,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:36,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:36,333 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:36,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-09 00:25:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:36,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:36,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:36,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:37,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:37,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:37,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:37,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:37,978 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:37,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-09 00:25:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:38,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:38,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:38,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:39,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:39,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:39,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:39,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:39,699 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:39,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-09 00:25:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:40,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:40,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:40,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:41,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:41,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:41,466 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:41,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:41,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:41,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:41,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:41,467 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:41,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-09 00:25:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:42,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:42,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:42,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:43,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:43,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:43,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:43,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:43,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:43,318 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:43,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-09 00:25:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:43,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:43,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:43,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:44,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:44,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:44,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:44,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:44,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:44,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:44,868 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:44,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-09 00:25:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:45,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:45,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:45,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:46,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:46,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:46,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:46,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:46,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:46,348 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:46,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-09 00:25:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:46,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:46,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:46,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:47,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:47,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:47,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:47,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:47,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:47,961 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:47,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-09 00:25:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:48,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:48,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:48,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:49,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:49,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:49,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:49,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:49,514 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:49,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-09 00:25:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:50,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:50,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:50,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:51,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:51,589 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:51,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:51,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:51,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:51,592 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:51,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-09 00:25:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:52,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:52,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:52,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:53,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:53,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:53,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:53,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:53,371 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:53,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-09 00:25:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:53,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:53,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:53,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:54,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-09 00:25:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:54,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:54,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:54,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:54,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:54,891 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:54,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-09 00:25:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:55,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:55,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:55,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:56,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:56,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:56,673 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:56,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:56,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:56,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:56,677 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:56,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-09 00:25:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:57,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:57,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:57,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:58,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:58,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:58,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:58,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:58,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:58,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:58,216 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:58,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-09 00:25:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:58,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:58,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:58,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:59,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:25:59,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:59,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:25:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:25:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:59,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:59,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:59,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:59,865 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:59,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-09 00:26:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:00,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:00,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:00,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:01,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:01,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:01,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:01,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:01,504 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:01,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-09 00:26:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:02,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:02,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:02,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:03,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:03,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:03,305 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:03,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:03,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:03,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:03,306 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:03,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-09 00:26:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:03,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:03,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:03,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:04,926 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:04,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:04,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:04,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:04,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:04,938 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:04,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-09 00:26:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:05,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:05,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:05,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:06,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:06,475 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:06,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:06,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:06,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:06,479 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:06,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-09 00:26:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:07,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:07,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:07,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:08,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-09 00:26:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:08,100 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:08,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:08,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:08,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:08,103 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:08,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-09 00:26:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:08,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:08,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:08,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:09,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:09,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:09,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:09,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:09,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:09,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:09,670 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:09,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-09 00:26:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:10,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:10,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:10,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:11,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:11,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:11,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:11,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:11,526 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:11,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-09 00:26:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:12,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:12,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:12,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:13,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:13,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:13,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:13,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:13,338 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:13,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-09 00:26:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:13,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:13,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:13,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:14,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-09 00:26:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:14,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:14,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:14,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:14,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:14,882 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:14,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-09 00:26:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:15,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:15,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:15,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:16,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:16,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:16,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:16,502 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:16,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:16,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:16,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:16,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:16,503 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:16,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-09 00:26:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:17,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:17,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:17,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:17,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:18,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:18,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:18,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:18,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:18,010 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:18,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-09 00:26:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:18,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:18,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:18,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:19,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:19,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:19,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:19,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:19,609 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:19,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-09 00:26:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:20,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:20,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:20,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:21,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:21,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:21,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:21,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:21,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:21,216 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:21,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-09 00:26:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:21,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:21,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:21,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:23,037 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:23,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-09 00:26:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:23,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:23,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:23,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:23,048 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:23,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-09 00:26:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:23,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:23,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:23,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:24,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:24,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-09 00:26:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:24,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:24,548 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:24,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:24,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:24,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:24,552 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:24,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-09 00:26:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:25,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:25,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:25,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:26,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:26,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:26,245 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:26,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:26,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:26,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:26,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:26,246 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:26,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-09 00:26:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:26,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:26,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:26,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:27,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:27,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:27,854 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:27,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:27,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:27,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:27,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:27,855 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:27,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-09 00:26:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:28,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:28,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:28,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:29,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:29,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:29,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:29,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:29,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:29,354 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:29,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-09 00:26:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:29,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:29,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:29,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:31,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:31,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:31,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:31,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:31,081 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:31,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-09 00:26:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:31,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:31,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:31,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:32,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:32,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:32,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:32,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:32,659 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:32,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-09 00:26:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:33,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:33,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:33,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:34,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-09 00:26:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:34,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:34,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:34,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:34,203 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:34,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-09 00:26:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:34,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:34,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:34,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:35,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:35,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:35,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:35,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:35,928 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:35,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-09 00:26:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:36,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:36,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:36,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:37,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:37,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:37,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:37,530 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:37,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-09 00:26:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:38,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:38,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:38,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:39,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-09 00:26:39,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:39,123 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:39,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:39,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:39,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:39,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:39,124 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:39,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-09 00:26:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:39,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:39,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:39,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:40,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:40,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:40,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:40,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:40,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:40,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:40,747 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:40,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-09 00:26:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:41,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:41,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:41,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:42,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:42,255 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:42,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:42,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:42,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:42,258 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:42,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-09 00:26:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:42,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:43,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:43,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:43,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:43,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:43,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:43,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:43,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:43,930 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:43,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-09 00:26:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:44,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:44,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:44,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:45,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-09 00:26:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:45,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:45,494 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:45,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-09 00:26:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:46,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:46,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:46,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:47,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-09 00:26:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:47,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:47,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:47,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:47,248 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:47,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-09 00:26:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:47,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:47,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:47,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:48,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-09 00:26:48,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:48,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:48,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:48,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:48,728 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:48,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-09 00:26:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:49,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:49,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:49,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:50,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-09 00:26:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:50,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:50,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:50,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:50,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:50,346 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:50,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-09 00:26:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:50,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:50,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:50,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:51,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:51,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:51,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:51,845 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:51,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-09 00:26:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:52,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:52,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:52,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:53,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-09 00:26:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:53,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:53,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:53,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:53,637 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:53,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-09 00:26:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:54,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:54,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:54,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:55,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:55,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:55,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:55,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:55,034 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:55,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-09 00:26:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:55,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:55,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:26:55,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:56,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-09 00:26:56,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:56,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:56,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:56,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:56,554 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:56,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-09 00:26:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:57,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:57,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:57,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:58,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-09 00:26:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:58,208 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:58,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:58,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:58,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:58,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:58,212 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:58,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-09 00:26:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:58,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:58,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:58,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:59,789 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:26:59,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:59,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:26:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:26:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:59,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:59,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:59,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:59,802 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:59,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-09 00:27:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:00,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:00,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:00,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:01,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-09 00:27:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:01,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:01,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:01,265 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:01,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-09 00:27:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:01,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:01,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:01,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:02,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-09 00:27:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:02,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:02,950 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:02,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:02,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:02,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:02,951 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:02,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-09 00:27:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:03,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:03,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:03,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:05,637 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:05,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:05,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:05,761 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:05,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:05,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:05,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:05,762 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:05,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-09 00:27:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:06,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:06,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:06,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:07,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-09 00:27:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:07,435 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:07,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:07,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:07,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:07,437 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:07,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-09 00:27:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:08,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:08,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:08,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:09,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-09 00:27:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:09,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:09,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:09,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:09,094 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:09,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-09 00:27:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:09,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:09,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:09,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:10,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:10,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:10,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:10,658 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:10,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:10,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:10,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:10,659 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:10,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-09 00:27:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:11,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:11,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:11,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:12,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-09 00:27:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:12,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:12,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:12,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:12,324 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:12,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-09 00:27:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:13,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:13,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:13,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:14,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:14,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:14,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:14,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:14,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:14,083 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:14,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-09 00:27:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:14,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:14,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:14,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:15,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:15,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:15,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:15,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:15,591 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:15,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-09 00:27:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:16,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:16,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:16,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:17,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:17,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:17,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:17,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:17,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:17,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:17,289 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:17,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-09 00:27:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:17,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:17,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:17,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:18,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:18,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:18,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:18,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:18,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:18,999 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:19,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-09 00:27:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:19,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:19,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:19,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:20,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-09 00:27:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:20,493 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:20,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:20,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:20,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:20,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:20,494 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:20,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-09 00:27:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:21,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:21,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:21,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:21,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:21,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:21,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:21,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:22,000 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:22,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-09 00:27:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:22,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:22,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:22,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:23,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-09 00:27:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:23,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:23,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:23,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:23,581 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:23,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-09 00:27:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:24,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:24,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:24,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:25,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:25,197 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:25,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:25,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:25,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:25,198 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:25,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-09 00:27:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:25,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:25,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:25,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:26,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:26,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:26,869 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:26,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:26,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:26,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:26,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:26,871 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:26,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-09 00:27:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:27,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:27,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:27,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:28,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:28,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:28,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:28,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:28,372 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:28,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-09 00:27:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:28,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:28,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:28,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:30,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-09 00:27:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:30,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:30,968 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:30,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:30,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:30,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:30,969 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:30,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-09 00:27:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:31,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:31,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:31,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:32,838 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:32,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:32,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:32,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:32,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:32,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:32,860 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:32,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-09 00:27:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:33,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:33,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:33,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:34,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:34,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:34,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:34,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:34,510 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:34,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-09 00:27:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:35,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:35,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:35,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:36,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-09 00:27:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:36,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:36,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:36,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:36,145 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:36,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-09 00:27:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:36,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:36,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:36,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:37,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:37,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:37,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:37,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:37,760 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:37,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-09 00:27:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:38,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:38,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:38,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:39,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:39,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:39,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:39,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:39,470 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:39,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-09 00:27:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:40,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:40,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:40,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:41,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-09 00:27:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:41,090 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:41,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:41,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:41,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:41,092 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:41,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-09 00:27:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:41,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:41,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:41,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:42,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:42,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:42,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:42,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:42,707 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:42,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-09 00:27:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:43,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:43,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:43,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:44,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:44,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:44,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:44,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:44,424 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:44,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-09 00:27:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:44,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:45,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:45,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:45,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:45,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:45,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:45,996 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:45,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-09 00:27:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:46,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:46,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:46,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:47,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:47,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:47,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:47,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:47,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:47,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:47,608 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:47,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-09 00:27:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:48,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:48,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:48,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:49,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-09 00:27:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:49,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:49,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:49,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:49,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:49,253 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:49,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-09 00:27:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:49,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:49,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:49,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:50,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:50,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:50,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:50,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:50,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:50,849 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:50,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-09 00:27:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:51,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:51,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:51,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:52,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:52,398 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:52,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:52,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:52,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:52,400 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:52,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-09 00:27:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:52,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:52,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:52,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:54,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-09 00:27:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:54,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:54,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:54,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:54,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:54,119 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:54,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-09 00:27:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:54,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:54,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:54,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:55,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-09 00:27:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:55,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:55,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:55,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:55,886 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:55,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-09 00:27:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:56,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:56,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:56,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:57,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-09 00:27:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:57,500 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:57,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:57,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:57,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:57,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:57,502 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:57,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-09 00:27:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:58,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:58,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:58,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:27:59,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:59,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:27:59,065 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:27:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:27:59,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:59,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:59,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:59,068 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:59,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-09 00:27:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:59,631 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:59,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:27:59,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:00,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:00,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:00,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:00,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:00,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:00,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:00,648 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:00,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-09 00:28:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:01,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:01,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:01,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:02,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:02,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:02,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:02,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:02,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:02,227 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:02,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-09 00:28:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:02,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:02,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:02,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:03,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:03,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:03,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:03,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:03,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:03,978 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:03,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-09 00:28:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:04,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:04,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:04,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:05,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:05,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:05,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:05,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:05,774 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:05,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-09 00:28:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:06,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:06,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:06,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:07,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:07,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:07,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:07,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:07,291 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:07,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-09 00:28:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:07,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:07,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:07,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:08,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:08,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:08,863 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:08,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:08,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:08,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:08,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:08,865 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:08,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-09 00:28:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:09,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:09,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:09,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:10,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:10,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:10,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:10,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:10,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:10,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:10,440 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:10,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-09 00:28:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:10,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:11,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:11,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:12,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:12,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:12,036 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:12,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:12,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:12,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:12,037 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:12,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-09 00:28:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:12,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:12,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:12,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:13,596 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:13,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-09 00:28:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:13,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:13,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:13,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:13,609 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:13,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-09 00:28:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:14,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:14,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:14,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:15,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:15,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:15,174 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:15,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:15,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:15,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:15,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:15,176 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:15,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-09 00:28:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:15,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:15,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:15,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:16,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:16,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:16,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:16,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:16,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:16,960 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:16,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-09 00:28:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:17,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:17,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:17,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:18,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:18,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:18,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:18,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:18,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:18,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:18,408 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:18,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-09 00:28:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:18,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:18,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:19,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:19,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:19,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:19,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:19,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:19,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:19,827 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:19,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-09 00:28:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:20,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:20,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:20,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:21,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:21,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:21,311 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:21,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:21,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:21,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:21,313 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:21,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-09 00:28:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:21,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:21,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:21,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:23,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-09 00:28:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:23,095 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:23,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:23,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:23,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:23,098 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:23,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-09 00:28:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:23,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:23,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:23,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:24,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:24,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:24,871 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:24,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:24,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:24,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:24,872 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:24,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-09 00:28:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:25,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:25,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:25,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:26,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-09 00:28:26,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:26,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:26,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:26,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:26,485 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:26,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-09 00:28:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:27,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:27,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:27,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:28,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:28,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:28,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:28,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:28,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:28,013 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:28,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-09 00:28:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:28,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:28,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:28,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:29,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:29,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-09 00:28:29,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:29,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:29,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:29,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:29,539 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:29,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-09 00:28:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:30,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:30,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:30,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:31,027 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:31,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:31,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:31,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:31,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:31,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:31,038 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:31,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-09 00:28:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:31,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:31,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:31,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:32,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:32,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:32,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:32,690 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:32,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:32,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:32,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:32,693 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:32,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-09 00:28:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:33,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:33,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:33,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:34,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:34,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:34,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:34,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:34,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:34,377 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:34,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-09 00:28:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:34,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:34,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:34,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:35,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:35,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:35,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:35,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:35,884 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:35,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-09 00:28:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:36,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:36,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:36,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:37,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-09 00:28:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:37,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:37,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:37,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:37,547 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:37,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-09 00:28:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:38,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:38,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:38,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:39,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:39,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:39,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:39,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:39,050 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:39,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-09 00:28:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:39,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:39,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:39,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:40,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-09 00:28:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:40,576 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:40,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:40,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:40,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:40,579 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:40,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-09 00:28:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:41,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:41,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:41,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:42,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:42,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:42,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:42,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:42,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:42,268 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:42,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-09 00:28:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:42,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:42,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:42,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:43,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:43,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:43,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:43,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:43,965 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:43,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-09 00:28:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:44,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:44,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:44,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:45,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-09 00:28:45,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:45,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:45,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:45,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:45,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:45,490 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:45,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-09 00:28:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:46,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:46,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:46,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:46,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:46,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:46,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:46,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:46,969 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:46,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-09 00:28:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:47,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:47,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:47,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:48,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:48,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:48,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:48,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:48,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:48,437 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:48,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-09 00:28:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:49,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:49,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:49,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:50,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:50,185 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:50,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:50,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:50,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:50,186 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:50,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-09 00:28:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:50,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:50,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:50,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:51,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-09 00:28:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:51,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:51,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:51,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:51,847 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:51,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-09 00:28:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:52,393 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:52,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:52,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:53,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:53,549 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:53,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:53,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:53,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:53,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:53,552 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:53,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-09 00:28:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:54,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:54,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:28:54,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:54,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-09 00:28:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:54,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:54,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:54,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:54,942 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:54,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-09 00:28:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:55,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:55,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:55,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:56,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-09 00:28:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:56,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:56,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:56,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:56,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:56,577 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:56,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-09 00:28:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:57,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:57,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:57,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:58,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-09 00:28:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:58,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:58,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:58,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:58,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:58,061 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:58,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-09 00:28:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:58,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:58,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:28:58,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:28:59,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:59,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:28:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:28:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:28:59,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:59,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:59,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:59,565 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:59,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-09 00:29:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:00,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:00,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:00,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:01,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-09 00:29:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:01,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:01,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:01,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:01,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:01,144 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:01,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-09 00:29:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:01,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:01,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:01,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:02,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-09 00:29:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:02,764 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:02,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:02,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:02,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:02,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:02,766 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:02,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-09 00:29:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:03,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:03,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:03,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:04,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-09 00:29:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:04,160 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:04,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:04,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:04,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:04,164 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:04,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-09 00:29:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:04,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:04,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:04,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:05,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:05,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-09 00:29:05,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:05,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:05,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:05,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:05,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:05,805 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:05,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-09 00:29:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:06,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:06,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:06,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:07,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-09 00:29:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:07,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:07,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:07,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:07,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:07,360 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:07,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-09 00:29:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:07,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:07,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:07,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:08,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:08,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:08,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:08,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:08,973 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:08,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-09 00:29:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:09,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:09,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:09,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:10,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-09 00:29:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:10,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:10,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:10,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:10,655 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:10,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-09 00:29:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:11,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:11,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:11,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:12,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-09 00:29:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:12,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:12,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:12,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:12,235 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:12,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-09 00:29:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:12,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:12,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:12,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:13,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-09 00:29:13,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:13,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:13,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:13,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:13,836 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:13,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-09 00:29:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:14,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:14,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:14,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:15,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-09 00:29:15,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:15,530 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:15,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:15,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:15,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:15,531 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:15,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-09 00:29:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:16,076 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:16,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:16,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:17,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-09 00:29:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:17,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:17,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:17,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:17,025 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:17,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-09 00:29:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:17,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:17,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:17,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:18,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:18,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-09 00:29:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:18,512 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:18,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:18,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:18,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:18,514 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:18,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-09 00:29:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:19,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:19,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:19,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:20,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-09 00:29:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:20,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:20,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:20,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:20,158 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:20,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-09 00:29:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:20,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:20,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:20,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:21,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-09 00:29:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:21,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:21,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:21,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:21,824 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:21,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-09 00:29:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:22,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:22,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:22,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:23,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-09 00:29:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:23,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:23,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:23,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:23,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:23,538 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:23,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-09 00:29:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:24,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:24,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:24,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:25,023 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:25,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-09 00:29:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:25,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:25,031 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:25,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:25,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:25,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:25,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:25,033 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:25,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-09 00:29:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:25,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:25,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:25,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:26,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-09 00:29:26,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:26,497 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:26,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:26,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:26,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:26,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:26,499 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:26,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-09 00:29:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:27,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:27,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:27,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:28,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:28,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:28,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:28,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:28,279 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:28,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-09 00:29:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:28,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:28,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:28,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:29,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:29,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:29,945 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:29,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:29,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:29,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:29,949 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:29,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-09 00:29:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:30,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:30,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:30,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:31,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-09 00:29:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:31,514 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:31,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:31,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:31,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:31,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:31,516 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:31,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-09 00:29:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:32,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:32,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:32,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:33,213 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:33,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-09 00:29:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:33,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:33,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:33,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:33,225 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:33,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-09 00:29:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:33,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:33,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:33,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:34,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-09 00:29:34,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:34,669 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:34,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:34,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:34,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:34,671 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:34,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-09 00:29:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:35,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:35,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:35,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:36,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-09 00:29:36,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:36,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:36,234 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:36,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:36,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:36,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:36,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:36,238 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:36,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-09 00:29:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:36,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:36,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:36,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:37,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:37,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:37,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:37,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:37,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:37,704 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:37,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-09 00:29:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:38,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:38,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:38,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:39,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:39,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-09 00:29:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:39,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:39,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:39,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:39,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:39,389 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:39,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-09 00:29:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:39,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:39,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:39,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:40,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-09 00:29:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:40,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:40,866 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:40,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:40,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:40,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:40,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:40,867 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:40,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-09 00:29:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:41,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:41,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:41,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:42,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:42,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:42,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:42,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:42,542 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:42,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-09 00:29:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:43,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:43,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:43,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:44,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-09 00:29:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:44,206 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:44,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:44,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:44,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:44,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:44,207 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:44,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-09 00:29:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:44,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:44,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:44,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:45,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-09 00:29:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:45,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:45,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:45,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:45,739 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:45,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-09 00:29:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:46,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:46,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:46,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:47,302 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:47,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-09 00:29:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:47,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:47,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:47,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:47,312 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:47,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-09 00:29:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:47,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:47,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:47,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:48,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-09 00:29:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:48,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:48,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:48,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:48,840 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:48,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-09 00:29:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:49,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:49,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:49,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:50,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-09 00:29:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:50,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:50,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:50,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:50,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:50,471 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:50,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-09 00:29:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:51,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:51,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:51,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:51,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-09 00:29:52,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:52,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:52,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:52,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:52,002 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:52,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-09 00:29:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:52,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:52,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:52,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:53,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-09 00:29:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:53,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:53,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:53,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:53,647 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:53,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-09 00:29:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:54,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:54,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:54,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:55,072 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:55,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-09 00:29:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:55,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:55,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:55,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:55,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:55,082 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:55,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-09 00:29:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:55,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:55,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:55,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:56,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-09 00:29:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:56,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:56,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:56,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:56,611 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:56,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-09 00:29:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:57,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:57,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:57,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:58,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-09 00:29:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:58,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:58,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:58,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:58,091 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:58,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-09 00:29:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:58,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:58,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:29:58,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:29:59,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-09 00:29:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:29:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:29:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:29:59,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:59,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:59,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:59,752 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:59,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-09 00:30:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:00,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:00,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:00,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:01,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-09 00:30:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:01,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:01,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:01,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:01,308 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:01,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-09 00:30:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:01,850 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:01,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:01,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:03,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:03,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-09 00:30:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:03,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:03,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:03,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:03,066 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:03,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-09 00:30:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:03,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:03,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:03,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:04,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-09 00:30:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:04,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:04,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:04,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:04,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:04,577 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:04,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-09 00:30:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:05,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:05,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:05,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:06,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-09 00:30:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:06,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:06,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:06,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:06,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:06,201 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:06,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-09 00:30:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:06,775 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:06,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:06,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:07,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-09 00:30:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:07,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:07,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:07,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:07,792 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:07,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-09 00:30:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:08,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:08,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:08,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:09,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:09,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:09,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:09,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:09,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:09,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:09,931 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:09,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-09 00:30:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:10,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:10,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:10,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:11,522 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:11,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-09 00:30:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:11,530 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:11,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:11,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:11,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:11,532 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:11,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-09 00:30:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:12,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:12,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:12,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:13,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-09 00:30:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:13,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:13,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:13,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:13,254 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:13,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-09 00:30:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:14,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:14,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:14,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:15,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-09 00:30:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:15,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:15,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:15,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:15,055 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:15,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-09 00:30:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:15,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:15,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:15,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:16,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-09 00:30:16,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:16,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:16,469 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:16,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:16,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:16,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:16,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:16,471 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:16,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-09 00:30:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:17,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:17,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:17,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:18,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-09 00:30:18,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:18,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:18,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:18,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:18,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:18,330 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:18,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-09 00:30:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:18,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:18,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:18,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:19,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-09 00:30:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:19,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:19,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:19,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:19,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:19,890 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:19,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-09 00:30:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:20,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:20,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:20,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:21,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-09 00:30:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:21,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:21,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:21,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:21,480 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:21,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-09 00:30:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:22,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:22,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:22,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:23,089 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:23,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:23,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:23,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:23,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:23,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:23,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:23,099 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:23,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-09 00:30:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:23,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:23,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:23,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:24,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-09 00:30:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:24,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:24,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:24,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:24,971 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:24,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-09 00:30:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:25,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:25,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:25,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:26,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:26,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:26,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:26,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:26,513 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:26,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-09 00:30:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:27,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:27,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:27,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:28,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-09 00:30:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:28,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:28,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:28,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:28,117 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:28,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-09 00:30:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:28,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:28,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:28,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:29,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-09 00:30:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:29,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:29,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:29,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:29,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:29,715 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:29,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-09 00:30:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:30,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:30,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:30,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:31,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:31,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:31,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:31,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:31,311 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:31,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-09 00:30:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:31,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:31,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:31,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:32,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-09 00:30:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:32,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:32,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:32,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:32,953 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:32,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-09 00:30:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:33,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:33,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:33,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:35,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-09 00:30:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:35,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:35,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:35,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:35,919 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:35,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-09 00:30:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:36,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:36,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:36,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:37,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-09 00:30:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:37,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:37,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:37,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:37,492 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:37,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-09 00:30:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:38,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:38,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:38,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:38,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:38,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:38,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:38,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:38,929 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:38,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-09 00:30:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:39,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:39,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:39,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:40,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:40,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-09 00:30:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:40,446 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:40,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:40,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:40,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:40,447 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:40,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-09 00:30:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:40,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:41,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:41,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:41,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-09 00:30:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:41,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:41,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:41,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:41,971 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:41,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-09 00:30:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:42,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:42,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:42,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:43,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:43,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:43,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:43,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:43,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:43,671 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:43,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-09 00:30:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:44,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:44,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:44,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:45,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-09 00:30:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:45,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:45,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:45,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:45,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:45,251 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:45,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-09 00:30:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:45,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:45,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:45,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:46,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-09 00:30:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:46,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:46,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:46,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:46,853 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:46,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-09 00:30:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:47,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:47,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:47,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:48,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-09 00:30:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:48,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:48,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:48,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:48,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:48,316 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:48,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-09 00:30:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:48,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:48,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:48,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:49,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-09 00:30:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:49,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:49,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:49,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:49,831 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:49,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-09 00:30:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:50,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:50,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:50,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:51,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-09 00:30:51,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:51,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:51,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:51,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:51,445 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:51,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-09 00:30:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:51,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:52,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:52,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:52,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-09 00:30:52,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:52,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:52,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:52,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:52,912 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:52,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-09 00:30:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:53,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:53,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:53,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:54,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:54,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:54,481 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:54,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:54,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:54,482 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:54,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-09 00:30:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:55,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:55,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:55,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:55,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-09 00:30:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:55,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:55,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:55,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:55,999 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:56,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-09 00:30:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:56,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:56,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:56,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:57,423 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:57,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-09 00:30:57,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:57,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:57,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:57,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:57,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:57,432 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:57,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-09 00:30:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:58,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:58,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:58,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:30:59,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-09 00:30:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:30:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:30:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:30:59,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:59,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:59,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:59,133 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:59,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-09 00:30:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:59,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:59,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:30:59,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:00,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-09 00:31:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:00,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:00,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:00,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:00,549 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:00,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-09 00:31:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:01,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:01,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:01,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:02,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-09 00:31:02,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:02,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:02,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:02,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:02,102 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:02,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-09 00:31:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:02,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:02,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:02,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:03,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:03,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:03,791 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:03,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:03,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:03,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:03,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:03,796 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:03,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-09 00:31:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:04,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:04,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:04,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:05,545 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:05,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-09 00:31:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:05,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:05,553 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:05,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:05,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:05,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:05,555 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-09 00:31:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:06,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:06,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:06,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:07,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:07,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-09 00:31:07,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:07,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:07,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:07,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:07,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:07,083 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:07,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-09 00:31:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:07,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:07,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:07,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:08,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:08,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:08,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:08,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:08,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:08,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:08,625 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:08,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-09 00:31:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:09,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:09,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:09,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:10,073 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:10,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-09 00:31:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:10,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:10,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:10,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:10,083 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:10,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-09 00:31:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:10,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:10,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:10,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:11,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-09 00:31:11,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:11,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:11,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:11,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:11,694 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:11,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-09 00:31:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:12,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:12,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:12,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:13,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-09 00:31:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:13,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:13,250 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:13,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:13,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:13,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:13,251 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:13,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-09 00:31:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:13,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:13,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:13,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:14,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-09 00:31:14,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:14,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:14,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:14,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:14,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:14,801 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:14,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-09 00:31:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:15,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:15,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:15,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:16,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-09 00:31:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:16,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:16,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:16,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:16,231 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:16,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-09 00:31:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:16,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:16,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:16,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:17,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-09 00:31:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:17,722 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:17,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:17,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:17,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:17,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:17,723 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:17,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-09 00:31:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:18,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:18,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:18,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:19,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-09 00:31:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:19,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:19,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:19,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:19,464 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:19,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-09 00:31:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:20,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:20,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:20,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:21,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-09 00:31:21,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:21,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:21,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:21,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:21,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:21,134 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:21,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-09 00:31:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:21,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:21,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:21,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:22,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-09 00:31:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:22,677 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:22,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:22,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:22,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:22,679 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:22,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-09 00:31:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:23,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:23,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:23,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:24,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:24,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-09 00:31:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:24,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:24,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:24,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:24,245 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:24,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-09 00:31:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:24,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:24,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:24,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:25,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:25,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-09 00:31:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:25,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:25,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:25,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:25,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:25,779 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:25,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-09 00:31:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:26,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:26,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:26,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:27,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:27,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:27,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:27,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:27,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:27,217 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:27,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-09 00:31:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:27,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:27,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:27,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:28,676 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:28,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-09 00:31:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:28,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:28,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:28,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:28,687 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:28,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-09 00:31:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:29,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:29,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:29,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:30,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-09 00:31:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:30,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:30,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:30,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:30,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:30,333 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:30,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-09 00:31:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:30,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:30,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:30,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:31,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-09 00:31:31,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:31,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:31,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:31,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:31,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:31,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:31,979 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:31,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-09 00:31:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:32,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:32,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:32,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:33,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-09 00:31:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:33,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:33,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:33,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:33,826 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:33,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-09 00:31:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:34,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:34,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:34,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:35,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-09 00:31:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:35,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:35,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:35,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:35,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:35,386 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:35,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-09 00:31:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:35,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:36,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:36,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:36,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-09 00:31:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:36,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:36,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:36,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:36,924 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:36,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-09 00:31:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:37,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:37,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:37,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:38,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-09 00:31:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:38,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:38,550 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:38,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:38,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:38,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:38,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:38,551 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:38,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-09 00:31:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:39,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:39,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:39,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:40,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-09 00:31:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:40,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:40,081 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:40,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:40,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:40,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:40,082 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:40,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-09 00:31:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:40,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:40,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:40,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:41,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-09 00:31:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:41,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:41,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:41,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:41,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:41,642 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:41,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-09 00:31:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:42,204 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:42,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:42,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:43,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-09 00:31:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:43,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:43,289 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:43,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:43,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:43,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:43,290 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:43,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-09 00:31:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:43,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:43,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:43,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:44,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-09 00:31:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:44,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:44,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:44,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:44,726 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:44,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-09 00:31:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:45,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:45,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:45,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:46,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-09 00:31:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:46,241 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:46,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:46,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:46,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:46,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:46,243 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:46,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-09 00:31:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:46,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:46,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:46,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:47,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-11-09 00:31:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:47,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:47,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:47,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:47,776 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:47,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-09 00:31:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:48,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:48,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:48,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:49,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-11-09 00:31:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:49,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:49,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:49,378 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:49,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-09 00:31:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:49,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:49,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:49,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:50,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (376)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:50,924 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:50,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:50,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:50,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:50,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:50,925 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:50,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-11-09 00:31:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:51,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:51,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:51,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:52,554 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:52,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-11-09 00:31:52,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:52,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:52,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:52,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:52,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:52,570 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:52,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-11-09 00:31:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:53,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:53,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:53,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:54,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2024-11-09 00:31:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:54,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:54,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:54,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:54,465 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:54,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-11-09 00:31:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:55,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:55,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:55,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:56,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-11-09 00:31:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:56,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:56,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:56,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:56,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:56,082 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:56,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-11-09 00:31:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:56,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:56,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:56,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:57,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-11-09 00:31:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:57,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:57,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:57,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:57,608 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:57,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-11-09 00:31:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:58,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:58,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:58,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:31:59,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2024-11-09 00:31:59,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:31:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:31:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:31:59,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:59,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:59,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:59,033 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:59,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-11-09 00:31:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:59,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:59,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:59,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:00,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (382)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:00,564 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:00,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:00,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:00,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:00,565 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:00,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-11-09 00:32:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:01,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:01,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:32:01,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:02,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:02,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-11-09 00:32:02,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:02,165 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:02,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:02,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:02,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:02,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:02,172 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:02,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-11-09 00:32:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:02,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:02,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:02,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:03,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (384)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:03,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:03,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:03,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:03,816 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:03,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-11-09 00:32:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:04,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:04,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:04,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:05,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-11-09 00:32:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:05,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:05,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:05,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:05,379 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:05,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-11-09 00:32:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:05,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:05,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:05,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:06,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:06,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-11-09 00:32:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:06,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:06,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:06,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:06,930 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:06,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-11-09 00:32:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:07,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:07,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:07,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:08,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (387)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:08,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:08,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:08,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:08,529 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:08,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-11-09 00:32:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:09,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:09,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:09,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:10,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (388)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:10,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:10,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:10,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:10,053 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:10,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-11-09 00:32:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:10,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:10,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:10,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:11,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (389)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:11,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:11,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:11,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:11,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:11,719 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:11,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-11-09 00:32:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:12,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:12,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:32:12,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:13,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-11-09 00:32:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:13,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:13,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:13,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:13,526 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:13,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-11-09 00:32:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:14,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:14,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:14,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:15,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-11-09 00:32:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:15,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:15,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:15,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:15,009 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:15,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-11-09 00:32:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:15,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:15,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:15,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:16,460 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:16,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (392)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:16,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:16,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:16,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:16,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:16,470 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:16,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-11-09 00:32:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:17,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:17,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:17,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:18,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (393)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:18,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:18,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:18,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:18,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:18,091 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:18,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-11-09 00:32:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:18,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:18,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:18,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:19,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:19,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-11-09 00:32:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:19,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:19,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:19,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:19,641 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:19,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-11-09 00:32:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:20,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:20,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:20,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:21,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-11-09 00:32:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:21,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:21,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:21,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:21,145 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:21,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-11-09 00:32:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:21,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:21,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:21,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:22,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-11-09 00:32:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:22,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:22,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:22,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:22,714 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:22,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-11-09 00:32:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:23,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:23,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:23,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:24,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-11-09 00:32:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:24,347 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:24,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:24,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:24,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:24,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:24,349 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:24,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-11-09 00:32:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:24,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:24,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:24,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:25,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-11-09 00:32:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:25,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:25,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:25,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:25,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:25,841 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:25,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-11-09 00:32:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:26,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:26,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:32:26,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:27,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (399)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:27,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:27,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:27,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:27,426 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:27,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-11-09 00:32:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:27,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:28,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:28,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:28,944 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:28,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-11-09 00:32:28,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:28,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:28,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:28,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:28,954 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:28,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-11-09 00:32:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:29,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:29,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:29,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:30,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (401)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:30,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:30,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:30,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:30,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:30,582 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:30,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-11-09 00:32:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:31,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:31,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:32:31,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:32,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-11-09 00:32:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:32,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:32,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:32,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:32,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:32,152 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:32,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-11-09 00:32:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:32,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:32,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:32,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:33,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (403)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:33,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:33,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:33,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:33,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:33,874 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:33,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-11-09 00:32:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:34,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:34,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:34,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:35,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-11-09 00:32:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:35,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:35,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:35,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:35,434 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:35,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-11-09 00:32:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:35,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:36,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:36,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:36,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (405)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:36,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:36,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:36,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:36,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:36,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:36,951 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:36,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-11-09 00:32:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:37,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:37,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:37,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:38,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-11-09 00:32:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:38,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:38,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:38,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:38,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:38,548 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:38,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-11-09 00:32:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:39,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:39,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:39,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:39,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-11-09 00:32:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:39,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:39,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:39,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:39,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:39,986 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:39,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-11-09 00:32:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:40,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:40,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:40,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:41,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-11-09 00:32:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:41,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:41,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:41,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:41,514 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:41,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-11-09 00:32:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:42,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:42,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:32:42,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:43,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-11-09 00:32:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:43,191 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:43,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:43,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:43,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:43,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:43,193 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:43,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-11-09 00:32:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:43,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:43,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:32:43,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:44,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2024-11-09 00:32:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:44,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:44,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:44,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:44,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:44,733 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:44,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-11-09 00:32:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:45,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:45,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:32:45,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:46,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-11-09 00:32:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:46,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:46,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:46,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:46,596 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:46,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-11-09 00:32:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:47,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:47,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:32:47,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:48,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:48,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-11-09 00:32:48,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:48,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:48,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:48,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:48,180 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:48,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-11-09 00:32:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:48,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:48,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:48,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:49,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-11-09 00:32:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:49,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:49,755 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:49,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:49,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:49,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:49,756 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:49,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-11-09 00:32:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:50,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:50,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:50,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:51,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-11-09 00:32:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:51,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:51,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:51,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:51,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:51,306 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:51,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-11-09 00:32:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:51,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:51,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:51,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:52,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-11-09 00:32:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:53,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:53,003 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:53,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:53,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:53,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:53,004 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:53,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-11-09 00:32:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:53,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:53,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:53,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:54,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-11-09 00:32:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:54,600 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:54,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:54,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:54,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:54,602 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:54,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-11-09 00:32:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:55,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:55,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:32:55,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:56,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (417)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:56,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:56,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:56,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:56,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:56,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:56,286 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:56,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-11-09 00:32:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:56,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:56,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:56,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:57,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-11-09 00:32:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:57,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:57,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:57,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:57,879 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:57,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-11-09 00:32:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:58,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:58,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:32:58,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:59,706 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:32:59,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (419)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:32:59,715 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:32:59,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:32:59,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:59,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:59,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:59,716 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:59,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-11-09 00:33:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:00,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:00,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:00,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:01,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-11-09 00:33:01,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:01,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:01,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:01,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:01,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:01,394 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:01,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-11-09 00:33:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:01,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:02,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:02,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:03,394 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:03,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-11-09 00:33:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:03,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:03,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:03,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:03,408 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:03,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-11-09 00:33:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:03,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:04,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:04,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:04,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (422)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:04,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:04,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:04,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:04,973 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:04,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-11-09 00:33:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:05,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:05,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:05,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:06,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-11-09 00:33:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:06,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:06,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:06,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:06,535 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:06,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-11-09 00:33:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:07,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:07,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:07,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:08,303 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:08,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (424)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:08,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:08,311 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:08,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:08,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:08,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:08,312 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:08,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-11-09 00:33:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:08,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:08,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:08,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:09,858 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:09,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2024-11-09 00:33:09,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:09,870 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:09,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:09,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:09,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:09,871 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:09,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-11-09 00:33:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:10,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:10,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:10,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:11,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-11-09 00:33:11,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:11,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:11,423 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:11,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:11,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:11,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:11,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:11,425 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:11,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-11-09 00:33:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:11,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:12,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:12,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:13,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-11-09 00:33:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:13,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:13,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:13,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:13,085 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:13,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-11-09 00:33:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:13,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:13,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:13,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:14,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-11-09 00:33:14,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:14,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:14,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:14,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:14,982 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:14,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-11-09 00:33:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:15,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:15,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:15,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:16,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-11-09 00:33:16,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:16,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:16,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:16,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:16,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:16,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:16,448 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:16,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-11-09 00:33:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:17,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:17,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:17,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:18,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-11-09 00:33:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:18,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:18,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:18,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:18,164 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:18,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-11-09 00:33:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:18,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:18,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:18,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:19,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-11-09 00:33:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:19,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:19,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:19,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:19,773 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:19,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-11-09 00:33:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:20,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:20,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:20,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:21,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-11-09 00:33:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:21,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:21,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:21,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:21,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:21,250 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:21,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-11-09 00:33:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:21,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:21,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:21,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:22,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-11-09 00:33:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:22,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:22,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:22,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:22,883 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:22,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-11-09 00:33:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:23,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:23,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:23,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:24,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-11-09 00:33:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:24,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:24,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:24,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:24,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:24,631 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:24,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-11-09 00:33:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:25,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:25,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:25,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:26,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (435)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:26,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:26,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:26,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:26,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:26,162 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:26,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-11-09 00:33:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:26,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:26,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:26,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:27,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (436)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:27,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:27,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:27,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:27,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:27,728 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:27,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-11-09 00:33:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:28,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:28,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:28,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:29,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (437)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:29,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:29,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:29,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:29,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:29,145 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:29,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-11-09 00:33:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:29,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:29,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:29,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:30,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2024-11-09 00:33:30,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:30,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:30,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:30,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:30,640 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:30,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-11-09 00:33:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:31,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:31,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:31,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:32,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-11-09 00:33:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:32,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:32,210 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:32,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:32,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:32,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:32,211 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:32,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-11-09 00:33:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:32,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:32,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:32,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:33,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-11-09 00:33:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:33,983 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:33,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:33,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:33,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:33,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:33,984 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:33,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-11-09 00:33:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:34,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:34,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:34,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:35,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (441)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:35,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:35,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:35,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:35,609 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:35,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-11-09 00:33:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:36,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:36,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:36,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:36,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2024-11-09 00:33:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:37,004 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:37,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:37,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:37,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:37,005 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:37,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-11-09 00:33:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:37,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:37,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:37,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:38,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-11-09 00:33:38,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:38,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:38,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:38,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:38,517 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:38,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-11-09 00:33:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:39,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:39,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:39,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:40,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-11-09 00:33:40,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:40,055 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:40,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:40,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:40,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:40,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:40,056 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:40,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-11-09 00:33:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:40,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:40,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:40,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:41,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-11-09 00:33:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:41,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:41,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:41,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:41,668 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:41,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-11-09 00:33:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:42,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:42,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:42,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:43,399 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:43,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2024-11-09 00:33:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:43,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:43,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:43,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:43,408 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:43,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-11-09 00:33:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:43,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:44,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:44,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:44,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-11-09 00:33:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:44,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:44,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:44,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:44,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:44,948 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:44,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-11-09 00:33:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:45,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:45,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:45,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:46,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (448)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:46,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:46,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:46,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:46,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:46,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:46,526 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:46,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-11-09 00:33:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:47,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:47,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:47,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:48,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-11-09 00:33:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:48,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:48,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:48,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:48,072 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:48,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-11-09 00:33:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:48,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:48,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:48,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:49,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (450)] Forceful destruction successful, exit code 0 [2024-11-09 00:33:49,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:49,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:49,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:49,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:49,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:49,599 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:49,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-11-09 00:33:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:50,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:50,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:50,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:51,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-11-09 00:33:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:51,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:51,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:51,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:51,106 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:51,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-11-09 00:33:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:51,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:51,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:51,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:52,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-11-09 00:33:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:52,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:52,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:52,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:52,801 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:52,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-11-09 00:33:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:53,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:53,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:53,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:54,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2024-11-09 00:33:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:54,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:54,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:54,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:54,486 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:54,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-11-09 00:33:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:55,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:55,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:55,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:56,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2024-11-09 00:33:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:56,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:56,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:56,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:56,019 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:56,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-11-09 00:33:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:56,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:56,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:56,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:57,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2024-11-09 00:33:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:57,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:57,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:57,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:57,542 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:57,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-11-09 00:33:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:58,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:58,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:58,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:33:59,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2024-11-09 00:33:59,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:33:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:33:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:33:59,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:59,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:59,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:59,150 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:59,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-11-09 00:33:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:59,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:59,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:59,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:00,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:00,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2024-11-09 00:34:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:00,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:00,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:00,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:00,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:00,685 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:00,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-11-09 00:34:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:01,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:01,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:01,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:02,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-11-09 00:34:02,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:02,260 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:02,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:02,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:02,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:02,261 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:02,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-11-09 00:34:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:02,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:03,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:03,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:03,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:03,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2024-11-09 00:34:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:03,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:03,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:03,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:03,988 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:03,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-11-09 00:34:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:04,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:04,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:04,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:05,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (460)] Ended with exit code 0 [2024-11-09 00:34:05,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:05,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:05,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:05,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:05,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:05,553 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:05,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-11-09 00:34:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:06,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:06,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:06,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:07,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (461)] Ended with exit code 0 [2024-11-09 00:34:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:07,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:07,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:07,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:07,190 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:07,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-11-09 00:34:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:07,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:07,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:07,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:08,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (462)] Ended with exit code 0 [2024-11-09 00:34:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:08,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:08,729 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:08,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:08,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:08,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:08,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:08,730 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:08,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2024-11-09 00:34:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:09,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:09,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:09,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:10,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (463)] Ended with exit code 0 [2024-11-09 00:34:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:10,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:10,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:10,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:10,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:10,199 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:10,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2024-11-09 00:34:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:10,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:10,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:10,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:11,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (464)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:11,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:11,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:11,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:11,778 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:11,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2024-11-09 00:34:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:12,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:12,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:12,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:13,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (465)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:13,719 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:13,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:13,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:13,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:13,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:13,721 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:13,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2024-11-09 00:34:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:14,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:14,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:14,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:15,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (466)] Ended with exit code 0 [2024-11-09 00:34:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:15,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:15,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:15,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:15,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:15,643 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:15,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2024-11-09 00:34:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:16,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:16,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:16,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:17,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (467)] Ended with exit code 0 [2024-11-09 00:34:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:17,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:17,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:17,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:17,345 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:17,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2024-11-09 00:34:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:17,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:17,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:17,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:18,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (468)] Ended with exit code 0 [2024-11-09 00:34:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:18,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:18,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:18,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:18,887 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:18,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2024-11-09 00:34:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:19,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:19,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:19,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:20,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (469)] Ended with exit code 0 [2024-11-09 00:34:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:20,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:20,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:20,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:20,849 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:20,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2024-11-09 00:34:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:21,623 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:21,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:21,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:23,040 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:23,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (470)] Ended with exit code 0 [2024-11-09 00:34:23,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:23,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:23,052 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:23,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:23,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:23,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:23,053 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:23,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2024-11-09 00:34:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:23,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:23,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:23,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:24,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (471)] Ended with exit code 0 [2024-11-09 00:34:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:24,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:24,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:24,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:24,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:24,708 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:24,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2024-11-09 00:34:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:25,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:25,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:25,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:26,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (472)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:26,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:26,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:26,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:26,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:26,595 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:26,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2024-11-09 00:34:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:27,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:27,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:27,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:28,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:28,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (473)] Ended with exit code 0 [2024-11-09 00:34:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:28,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:28,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:28,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:28,547 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:28,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2024-11-09 00:34:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:29,139 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:29,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:29,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:30,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (474)] Ended with exit code 0 [2024-11-09 00:34:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:30,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:30,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:30,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:30,300 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:30,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2024-11-09 00:34:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:30,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:30,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:30,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:31,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (475)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:31,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:31,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:31,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:31,990 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:31,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2024-11-09 00:34:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:32,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:32,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:32,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:33,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (476)] Ended with exit code 0 [2024-11-09 00:34:33,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:33,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:33,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:33,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:33,765 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:33,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2024-11-09 00:34:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:34,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:34,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:34,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:35,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (477)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:35,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:35,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:35,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:35,463 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:35,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2024-11-09 00:34:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:36,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:36,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:36,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:37,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (478)] Ended with exit code 0 [2024-11-09 00:34:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:37,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:37,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:37,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:37,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:37,126 INFO L229 MonitoredProcess]: Starting monitored process 479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:37,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (479)] Waiting until timeout for monitored process [2024-11-09 00:34:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:37,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:37,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:37,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:38,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (479)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:38,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:38,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:38,923 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:38,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:38,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:38,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:38,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:38,924 INFO L229 MonitoredProcess]: Starting monitored process 480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:38,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (480)] Waiting until timeout for monitored process [2024-11-09 00:34:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:39,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:39,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:39,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:40,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (480)] Ended with exit code 0 [2024-11-09 00:34:40,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:40,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:40,529 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:40,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:40,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:40,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:40,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:40,530 INFO L229 MonitoredProcess]: Starting monitored process 481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:40,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (481)] Waiting until timeout for monitored process [2024-11-09 00:34:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:41,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:41,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:41,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:42,237 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:42,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (481)] Ended with exit code 0 [2024-11-09 00:34:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:42,247 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:42,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:42,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:42,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:42,248 INFO L229 MonitoredProcess]: Starting monitored process 482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:42,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (482)] Waiting until timeout for monitored process [2024-11-09 00:34:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:42,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:42,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:42,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:44,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (482)] Ended with exit code 0 [2024-11-09 00:34:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:44,135 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:44,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:44,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:44,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:44,137 INFO L229 MonitoredProcess]: Starting monitored process 483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:44,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (483)] Waiting until timeout for monitored process [2024-11-09 00:34:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:44,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:44,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:44,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:45,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (483)] Ended with exit code 0 [2024-11-09 00:34:45,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:45,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:45,879 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:45,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:45,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:45,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:45,880 INFO L229 MonitoredProcess]: Starting monitored process 484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:45,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (484)] Waiting until timeout for monitored process [2024-11-09 00:34:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:46,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:46,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:46,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:47,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (484)] Ended with exit code 0 [2024-11-09 00:34:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:47,515 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:47,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:47,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:47,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:47,517 INFO L229 MonitoredProcess]: Starting monitored process 485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:47,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (485)] Waiting until timeout for monitored process [2024-11-09 00:34:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:48,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:48,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:48,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:49,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (485)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:49,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:49,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:49,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:49,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:49,189 INFO L229 MonitoredProcess]: Starting monitored process 486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:49,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (486)] Waiting until timeout for monitored process [2024-11-09 00:34:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:49,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:49,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:49,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:50,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (486)] Ended with exit code 0 [2024-11-09 00:34:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:50,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:50,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:50,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:50,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:50,852 INFO L229 MonitoredProcess]: Starting monitored process 487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:50,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (487)] Waiting until timeout for monitored process [2024-11-09 00:34:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:51,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:51,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:51,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:52,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (487)] Ended with exit code 0 [2024-11-09 00:34:52,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:52,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:52,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:52,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:52,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:52,514 INFO L229 MonitoredProcess]: Starting monitored process 488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:52,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (488)] Waiting until timeout for monitored process [2024-11-09 00:34:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:53,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:53,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:53,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:54,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (488)] Ended with exit code 0 [2024-11-09 00:34:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:54,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:54,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:54,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:54,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:54,193 INFO L229 MonitoredProcess]: Starting monitored process 489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:54,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (489)] Waiting until timeout for monitored process [2024-11-09 00:34:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:54,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:54,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:54,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:55,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (489)] Ended with exit code 0 [2024-11-09 00:34:55,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:55,892 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:55,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:55,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:55,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:55,894 INFO L229 MonitoredProcess]: Starting monitored process 490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:55,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (490)] Waiting until timeout for monitored process [2024-11-09 00:34:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:56,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:56,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:56,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:57,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (490)] Ended with exit code 0 [2024-11-09 00:34:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:57,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:57,429 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:57,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:57,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:57,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:57,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:57,431 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:57,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2024-11-09 00:34:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:58,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:58,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:58,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:34:59,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (491)] Ended with exit code 0 [2024-11-09 00:34:59,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:34:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:34:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:59,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:59,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:59,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:59,047 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:59,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2024-11-09 00:34:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:59,647 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:59,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:34:59,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:00,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (492)] Ended with exit code 0 [2024-11-09 00:35:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:00,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:00,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:00,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:00,673 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:00,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2024-11-09 00:35:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:01,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:01,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:01,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:02,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2024-11-09 00:35:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:02,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:02,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:02,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:02,448 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:02,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2024-11-09 00:35:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:03,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:03,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:03,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:04,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (494)] Ended with exit code 0 [2024-11-09 00:35:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:04,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:04,266 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:04,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:04,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:04,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:04,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:04,268 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:04,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2024-11-09 00:35:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:04,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:05,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:05,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:06,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (495)] Ended with exit code 0 [2024-11-09 00:35:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:06,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:06,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:06,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:06,082 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:06,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2024-11-09 00:35:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:06,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:06,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:06,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:07,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (496)] Ended with exit code 0 [2024-11-09 00:35:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:07,680 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:07,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:07,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:07,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:07,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:07,681 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:07,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2024-11-09 00:35:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:08,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:08,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:08,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:09,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2024-11-09 00:35:09,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:09,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:09,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:09,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:09,403 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:09,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2024-11-09 00:35:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:10,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:10,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:10,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:11,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (498)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:11,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:11,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:11,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:11,769 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:11,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2024-11-09 00:35:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:12,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:12,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:12,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:13,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (499)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:13,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:13,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:13,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:14,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:14,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:14,001 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:14,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2024-11-09 00:35:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:14,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:14,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:14,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:15,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (500)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:15,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:15,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:15,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:15,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:15,850 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:15,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2024-11-09 00:35:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:16,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:16,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:16,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:17,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (501)] Ended with exit code 0 [2024-11-09 00:35:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:17,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:17,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:17,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:17,677 INFO L229 MonitoredProcess]: Starting monitored process 502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:17,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (502)] Waiting until timeout for monitored process [2024-11-09 00:35:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:18,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:18,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:18,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:19,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (502)] Ended with exit code 0 [2024-11-09 00:35:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:19,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:19,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:19,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:19,407 INFO L229 MonitoredProcess]: Starting monitored process 503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:19,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (503)] Waiting until timeout for monitored process [2024-11-09 00:35:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:20,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:20,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:20,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:21,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (503)] Ended with exit code 0 [2024-11-09 00:35:21,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:21,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:21,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:21,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:21,157 INFO L229 MonitoredProcess]: Starting monitored process 504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:21,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (504)] Waiting until timeout for monitored process [2024-11-09 00:35:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:21,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:21,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:21,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:22,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (504)] Ended with exit code 0 [2024-11-09 00:35:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:22,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:22,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:22,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:22,881 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:22,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2024-11-09 00:35:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:23,548 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:23,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:23,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:26,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (505)] Ended with exit code 0 [2024-11-09 00:35:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:26,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:26,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:26,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:26,254 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:26,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2024-11-09 00:35:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:26,876 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:26,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:26,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:27,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (506)] Ended with exit code 0 [2024-11-09 00:35:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:27,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:27,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:27,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:27,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:27,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:27,994 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:27,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2024-11-09 00:35:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:28,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:28,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:28,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:29,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (507)] Ended with exit code 0 [2024-11-09 00:35:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:29,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:29,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:29,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:29,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:29,688 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:29,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2024-11-09 00:35:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:30,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:30,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:30,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:31,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2024-11-09 00:35:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:31,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:31,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:31,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:31,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:31,546 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:31,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2024-11-09 00:35:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:32,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:32,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:32,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:33,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (509)] Ended with exit code 0 [2024-11-09 00:35:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:33,187 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:33,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:33,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:33,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:33,188 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:33,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2024-11-09 00:35:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:33,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:33,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:33,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:35,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (510)] Ended with exit code 0 [2024-11-09 00:35:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:35,009 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:35,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:35,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:35,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:35,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:35,010 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:35,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2024-11-09 00:35:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:35,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:35,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:35,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:36,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (511)] Ended with exit code 0 [2024-11-09 00:35:36,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:36,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:36,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:36,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:36,711 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:36,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2024-11-09 00:35:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:37,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:37,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:37,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:38,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (512)] Ended with exit code 0 [2024-11-09 00:35:38,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:38,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:38,387 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:38,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:38,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:38,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:38,390 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:38,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2024-11-09 00:35:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:39,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:39,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:39,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:40,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (513)] Ended with exit code 0 [2024-11-09 00:35:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:40,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:40,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:40,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:40,191 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:40,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2024-11-09 00:35:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:40,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:40,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:40,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:41,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (514)] Ended with exit code 0 [2024-11-09 00:35:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:41,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:41,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:41,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:41,968 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:41,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2024-11-09 00:35:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:42,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:42,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:42,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:43,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (515)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:43,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:43,752 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:43,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:43,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:43,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:43,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:43,755 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:43,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2024-11-09 00:35:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:44,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:44,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:44,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:45,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (516)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:45,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:45,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:45,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:45,691 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:45,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2024-11-09 00:35:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:46,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:46,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:46,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:47,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (517)] Ended with exit code 0 [2024-11-09 00:35:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:47,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:47,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:47,370 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:47,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2024-11-09 00:35:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:47,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:47,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:47,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:49,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (518)] Ended with exit code 0 [2024-11-09 00:35:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:49,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:49,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:49,040 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:49,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2024-11-09 00:35:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:49,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:49,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:49,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:50,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (519)] Ended with exit code 0 [2024-11-09 00:35:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:50,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:50,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:50,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:50,830 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:50,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2024-11-09 00:35:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:51,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:51,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:51,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:52,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (520)] Ended with exit code 0 [2024-11-09 00:35:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:52,936 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:52,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:52,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:52,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:52,938 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:52,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2024-11-09 00:35:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:53,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:53,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:53,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:54,620 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:54,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2024-11-09 00:35:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:54,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:54,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:54,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:54,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:54,631 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:54,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2024-11-09 00:35:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:55,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:55,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:55,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:56,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (522)] Ended with exit code 0 [2024-11-09 00:35:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:56,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:56,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:56,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:56,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:56,366 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:56,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2024-11-09 00:35:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:56,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:56,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:35:56,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:57,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (523)] Ended with exit code 0 [2024-11-09 00:35:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:57,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:57,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:57,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:57,949 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:57,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2024-11-09 00:35:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:58,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:58,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:35:58,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:35:59,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2024-11-09 00:35:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:35:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:35:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:35:59,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:59,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:59,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:59,719 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:59,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2024-11-09 00:36:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:00,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:00,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:36:00,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:36:01,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (525)] Ended with exit code 0 [2024-11-09 00:36:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:36:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:36:01,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:36:01,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:01,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:01,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:01,414 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:01,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2024-11-09 00:36:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:02,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:02,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:36:02,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:03,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:36:03,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (526)] Ended with exit code 0 [2024-11-09 00:36:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:36:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:36:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:36:03,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:03,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:03,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:03,188 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:03,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2024-11-09 00:36:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:03,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:03,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:36:03,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:36:04,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (527)] Ended with exit code 0 [2024-11-09 00:36:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:36:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:36:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:36:04,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:04,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:04,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:04,915 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:04,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2024-11-09 00:36:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:05,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:05,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:36:05,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:36:06,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (528)] Ended with exit code 0 [2024-11-09 00:36:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:36:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:36:06,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:36:06,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:06,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:06,596 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:06,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2024-11-09 00:36:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:07,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:07,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:36:07,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:36:08,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (529)] Ended with exit code 0 [2024-11-09 00:36:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:36:08,417 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:36:08,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:36:08,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:08,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:08,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:08,419 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:08,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2024-11-09 00:36:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:09,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:09,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:36:09,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:36:10,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (530)] Ended with exit code 0 [2024-11-09 00:36:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:36:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:36:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:36:10,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:10,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:10,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:10,029 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:10,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2024-11-09 00:36:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:10,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:10,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:36:10,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:36:11,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (531)] Ended with exit code 0 [2024-11-09 00:36:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:36:11,726 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:36:11,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:36:11,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:11,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:11,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:11,728 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:11,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2024-11-09 00:36:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:12,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:12,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:36:12,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:13,591 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:36:13,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (532)] Ended with exit code 0 [2024-11-09 00:36:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:36:13,601 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:36:13,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:36:13,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:13,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:13,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:13,602 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:13,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2024-11-09 00:36:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:36:14,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:36:15,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (533)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:15,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:15,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-09 00:36:15,308 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-09 00:36:15,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:36:15,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:15,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:15,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:15,309 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:15,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f877608-1b0f-40c7-9502-816de6826d37/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process