./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c --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_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/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_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/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_96b4580e-f039-4b94-b95d-f8e763f30e2c/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 7acfe881669b731d03fc8aee9db955b71d947923db9c9de4e28fcb386b44b191 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:46:08,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:46:08,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:46:08,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:46:08,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:46:08,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:46:08,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:46:08,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:46:08,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:46:08,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:46:08,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:46:08,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:46:08,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:46:08,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:46:08,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:46:08,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:46:08,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:46:08,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:46:08,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:46:08,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:46:08,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:46:08,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:46:08,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:46:08,533 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:46:08,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:46:08,536 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:46:08,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:46:08,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:08,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:46:08,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:46:08,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:46:08,538 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:46:08,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:46:08,539 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7acfe881669b731d03fc8aee9db955b71d947923db9c9de4e28fcb386b44b191 [2024-11-08 22:46:08,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:46:08,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:46:08,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:46:08,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:46:08,835 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:46:08,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c Unable to find full path for "g++" [2024-11-08 22:46:10,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:10,995 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:10,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c [2024-11-08 22:46:11,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/data/928f36c25/e171ecfce5b94b3b906a1e56930da515/FLAG922e56e53 [2024-11-08 22:46:11,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/data/928f36c25/e171ecfce5b94b3b906a1e56930da515 [2024-11-08 22:46:11,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:11,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:11,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:11,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:11,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:11,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e24c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11, skipping insertion in model container [2024-11-08 22:46:11,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:11,640 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1835,1848] [2024-11-08 22:46:11,645 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1994,2007] [2024-11-08 22:46:11,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:11,656 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:11,683 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1835,1848] [2024-11-08 22:46:11,684 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1994,2007] [2024-11-08 22:46:11,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:11,703 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:11,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11 WrapperNode [2024-11-08 22:46:11,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:11,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:11,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:11,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:11,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,746 INFO L138 Inliner]: procedures = 19, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2024-11-08 22:46:11,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:11,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:11,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:11,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:11,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:11,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:11,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:11,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:11,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:11" (1/1) ... [2024-11-08 22:46:11,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:11,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:11,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:11,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:46:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:46:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-08 22:46:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-08 22:46:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-08 22:46:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-08 22:46:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 22:46:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:46:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:46:11,944 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:11,946 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:12,191 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:12,191 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:12,334 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:12,334 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:46:12,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:12 BoogieIcfgContainer [2024-11-08 22:46:12,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:12,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:12,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:12,354 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:12,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:12" (1/1) ... [2024-11-08 22:46:12,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:12,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-08 22:46:12,420 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-08 22:46:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:46:12,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:12,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:46:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:46:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-11-08 22:46:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-08 22:46:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:46:12,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:12,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:46:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:46:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2024-11-08 22:46:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-11-08 22:46:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:13,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:13,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:46:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:13,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:13,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:13,456 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 22:46:13,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:46:13 ImpRootNode [2024-11-08 22:46:13,494 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:46:13,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:46:13,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:46:13,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:46:13,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:12" (3/4) ... [2024-11-08 22:46:13,499 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:46:13,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:46:13,500 INFO L158 Benchmark]: Toolchain (without parser) took 2111.19ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 68.6MB in the end (delta: 36.5MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-08 22:46:13,501 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:13,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.45ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 91.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:46:13,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.31ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 89.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:13,503 INFO L158 Benchmark]: Boogie Preprocessor took 31.33ms. Allocated memory is still 146.8MB. Free memory was 89.7MB in the beginning and 88.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:13,503 INFO L158 Benchmark]: RCFGBuilder took 554.13ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 114.3MB in the end (delta: -26.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:13,504 INFO L158 Benchmark]: CodeCheck took 1154.77ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 69.1MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:13,504 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 146.8MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:13,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 47 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 80 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 8/8 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: 77]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76. Possible FailurePath: [L68] float x = __VERIFIER_nondet_float(); [L69] float y = __VERIFIER_nondet_float(); [L70] CALL, EXPR isnan_float(x) VAL [\old(x)=2] [L59] return x != x; [L70] RET, EXPR isnan_float(x) VAL [x=2] [L70] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2] [L70] CALL, EXPR isnan_float(y) VAL [\old(x)=3] [L59] return x != x; [L70] RET, EXPR isnan_float(y) VAL [x=2, y=3] [L70] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L70-L71] (isnan_float(x) && !isnan_float(y)) || (!isnan_float(x) && isnan_float(y)) VAL [x=2, y=3] [L70-L71] COND TRUE (isnan_float(x) && !isnan_float(y)) || (!isnan_float(x) && isnan_float(y)) [L73] CALL, EXPR fmin_float(x, y) [L38] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=2] [L15] __uint32_t w; VAL [\old(x)=2, x=2] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L25-L26] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L28-L29] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L31] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L34] return 0; [L38] RET, EXPR __fpclassify_float(x) VAL [x=2, y=3] [L38] COND TRUE __fpclassify_float(x) == 0 [L39] return y; VAL [\result=3, x=2] [L73] RET, EXPR fmin_float(x, y) [L73] float res = fmin_float(x, y); [L76] CALL, EXPR isnan_float(x) VAL [\old(x)=2] [L59] return x != x; [L76] RET, EXPR isnan_float(x) VAL [x=2, y=3] [L76] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L76] CALL, EXPR isnan_float(y) VAL [\old(x)=3] [L59] return x != x; [L76] RET, EXPR isnan_float(y) VAL [x=2, y=3] [L76] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L76] COND TRUE isnan_float(x) && !isnan_float(y) && res != y [L77] reach_error() VAL [x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.45ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 91.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.31ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 89.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.33ms. Allocated memory is still 146.8MB. Free memory was 89.7MB in the beginning and 88.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.13ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 114.3MB in the end (delta: -26.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * CodeCheck took 1154.77ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 69.1MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 146.8MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:46:13,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/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_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/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_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/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_96b4580e-f039-4b94-b95d-f8e763f30e2c/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 7acfe881669b731d03fc8aee9db955b71d947923db9c9de4e28fcb386b44b191 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:46:16,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:46:16,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:46:16,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:46:16,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:46:16,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:46:16,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:46:16,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:46:16,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:46:16,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:46:16,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:46:16,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:46:16,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:46:16,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:46:16,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:46:16,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:46:16,197 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:46:16,198 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:46:16,198 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:46:16,198 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:46:16,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:46:16,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:46:16,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:46:16,204 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:46:16,204 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:46:16,204 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:46:16,205 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:16,205 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:46:16,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:46:16,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:16,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:46:16,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:46:16,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:46:16,207 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:46:16,209 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:16,209 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:46:16,209 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7acfe881669b731d03fc8aee9db955b71d947923db9c9de4e28fcb386b44b191 [2024-11-08 22:46:16,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:46:16,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:46:16,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:46:16,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:46:16,623 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:46:16,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1231.c Unable to find full path for "g++" [2024-11-08 22:46:18,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:18,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:18,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c [2024-11-08 22:46:18,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/data/d8379c51d/d7d9669b9a64469d8c627e5dbe469276/FLAGf5c4e8ab8 [2024-11-08 22:46:18,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/data/d8379c51d/d7d9669b9a64469d8c627e5dbe469276 [2024-11-08 22:46:18,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:18,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:18,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:18,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:18,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:18,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:18" (1/1) ... [2024-11-08 22:46:18,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd4a087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:18, skipping insertion in model container [2024-11-08 22:46:18,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:18" (1/1) ... [2024-11-08 22:46:18,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:19,262 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1835,1848] [2024-11-08 22:46:19,269 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1994,2007] [2024-11-08 22:46:19,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:19,306 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:19,348 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1835,1848] [2024-11-08 22:46:19,349 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_96b4580e-f039-4b94-b95d-f8e763f30e2c/sv-benchmarks/c/float-newlib/float_req_bl_1231.c[1994,2007] [2024-11-08 22:46:19,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:19,381 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:19,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19 WrapperNode [2024-11-08 22:46:19,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:19,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:19,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:19,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:19,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,440 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2024-11-08 22:46:19,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:19,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:19,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:19,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:19,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:19,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:19,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:19,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:19,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:19" (1/1) ... [2024-11-08 22:46:19,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:19,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:19,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:19,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:46:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:46:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-08 22:46:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-08 22:46:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-08 22:46:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-08 22:46:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:46:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 22:46:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:46:19,697 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:19,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:20,002 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:20,003 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:20,153 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:20,154 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:46:20,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:20 BoogieIcfgContainer [2024-11-08 22:46:20,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:20,156 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:20,156 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:20,167 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:20,167 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:20" (1/1) ... [2024-11-08 22:46:20,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:20,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2024-11-08 22:46:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2024-11-08 22:46:20,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:46:20,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:20,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:20,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:20,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:20,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:46:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:20,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:20,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:46:20,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:20,494 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:46:20,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:20,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2024-11-08 22:46:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2024-11-08 22:46:20,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:46:20,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:20,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:20,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:20,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:20,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:46:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:20,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:20,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:46:20,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:46:20,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:46:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:20,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2024-11-08 22:46:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-08 22:46:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:46:20,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:20,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:20,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:20,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:20,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:46:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:21,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:21,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:46:21,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:46:21,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:46:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:21,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2024-11-08 22:46:21,159 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-11-08 22:46:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:21,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:21,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:21,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:21,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:21,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:46:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:21,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:21,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:21,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:22,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:46:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:23,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 22:46:23,767 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 22:46:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:23,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:23,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:23,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:23,772 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:23,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:46:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:24,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:24,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:24,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:24,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 22:46:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 22:46:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:24,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:24,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:24,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:24,500 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:24,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:46:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:24,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:24,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:24,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:25,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:25,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:46:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 22:46:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 22:46:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:25,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:25,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:25,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:25,118 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:25,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:46:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:25,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:25,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:25,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:25,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:46:25,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 22:46:25,805 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 22:46:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:25,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:25,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:25,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:25,813 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:25,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:46:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:26,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:26,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:26,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:26,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:46:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:26,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 22:46:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 22:46:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:26,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:26,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:26,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:26,396 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:26,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:46:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:26,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:26,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:26,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:27,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:46:27,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 22:46:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 22:46:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:27,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:27,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:27,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:27,070 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:27,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:46:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:27,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:27,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:27,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:27,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:46:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:27,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 22:46:27,683 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 22:46:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:27,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:27,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:27,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:27,687 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:27,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:46:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:27,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:28,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:28,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:28,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:46:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 22:46:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 22:46:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:28,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:28,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:28,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:28,283 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:28,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:46:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:28,545 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:28,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:28,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:28,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:28,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 22:46:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 22:46:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 22:46:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:28,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:28,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:28,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:28,922 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:28,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:46:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:29,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:29,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:46:29,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:29,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:30,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:30,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:30,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:30,960 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:30,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:46:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:31,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:31,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:31,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:31,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 22:46:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:31,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:31,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:31,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:31,483 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:31,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:46:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:31,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:31,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:31,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:32,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 22:46:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:32,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:32,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:32,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:32,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:32,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:32,018 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:32,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:46:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:32,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:32,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:32,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:32,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:32,506 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:32,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:32,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:32,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:32,512 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:32,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:46:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:32,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:32,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:32,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:33,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 22:46:33,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:33,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:33,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:33,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:33,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:33,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:33,059 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:33,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:46:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:33,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:33,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:33,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:33,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 22:46:33,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:33,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:33,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:33,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:33,592 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:33,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:46:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:33,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:33,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:33,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:34,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-08 22:46:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:34,112 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:34,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:34,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:34,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:34,117 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:34,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:46:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:34,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:34,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:34,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:34,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 22:46:34,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:34,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:34,606 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:34,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:46:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:34,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:34,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:34,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:35,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:35,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:35,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:35,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:35,096 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:35,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:46:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:35,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:35,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:35,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:35,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:35,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:35,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:35,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:35,614 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:35,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:46:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:35,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:35,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:35,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:36,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:36,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:36,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:36,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:36,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:36,233 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:36,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:46:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:36,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:36,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:36,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:36,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:36,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:36,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:36,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:36,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:36,715 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:36,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:46:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:36,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:36,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:36,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:37,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:37,288 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:37,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:37,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:37,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:37,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:37,292 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:37,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:46:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:37,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:37,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:37,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:37,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:37,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:37,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:37,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:37,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:37,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:37,780 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:37,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:46:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:38,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:38,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:38,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:38,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:38,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:38,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:38,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:38,278 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:38,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:46:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:38,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:38,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:38,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:38,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:38,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:38,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:38,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:38,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:38,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:38,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:38,827 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:38,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:46:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:39,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:39,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:39,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:39,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:39,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:39,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:39,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:39,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:39,372 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:39,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:46:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:39,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:39,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:39,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:39,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:39,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:39,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:39,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:39,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:39,886 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:39,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:46:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:40,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:40,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:40,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:40,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:40,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-08 22:46:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:40,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:40,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:40,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:40,388 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:40,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:46:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:40,631 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:40,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:40,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:40,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:40,880 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:40,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:40,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:40,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:40,884 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:40,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:46:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:41,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:41,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:41,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:41,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-08 22:46:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:41,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:41,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:41,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:41,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:41,466 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:41,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:46:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:41,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:41,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:41,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:42,016 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:46:42,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:42,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:42,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:42,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:42,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:42,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:42,033 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:42,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:46:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:42,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:42,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:42,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:42,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 22:46:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:42,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:42,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:42,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:42,646 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:42,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:46:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:42,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:42,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:42,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:43,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:43,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:43,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:43,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:43,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:43,242 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:43,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:46:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:43,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:43,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:43,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:43,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:43,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:43,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:43,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:43,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:43,800 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:43,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:46:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:44,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:44,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:44,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:44,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:44,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:44,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:44,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:44,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:44,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:44,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:44,302 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:44,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:46:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:44,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:44,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:44,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:44,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-08 22:46:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:44,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:44,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:44,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:44,828 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:44,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:46:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:45,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:45,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:45,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:45,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:45,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:45,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:45,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:45,316 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:45,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:46:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:45,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:45,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:45,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:45,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:45,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:45,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:45,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:45,824 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:45,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:46:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:46,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:46,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:46,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:46,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:46,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:46,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:46,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:46,311 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:46,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:46:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:46,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:46,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:46,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:46,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:46,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:46,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:46,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:46,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:46,835 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:46,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 22:46:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:47,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:47,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:47,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:47,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-08 22:46:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:47,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:47,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:47,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:47,306 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:47,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 22:46:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:47,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:47,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:47,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:47,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-08 22:46:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:47,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:47,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:47,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:47,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:47,839 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:47,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 22:46:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:48,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:48,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:48,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:48,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:48,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:48,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:48,375 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:48,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:48,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:48,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:48,378 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:48,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 22:46:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:48,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:48,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:48,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:48,888 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:48,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-08 22:46:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:48,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:48,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:48,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:48,902 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:48,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 22:46:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:49,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:49,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:49,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:49,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:49,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:49,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:49,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:49,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:49,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:49,428 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:49,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 22:46:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:49,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:49,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:49,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:49,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:49,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:49,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:49,958 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:49,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:49,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:49,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:49,960 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:49,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 22:46:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:50,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:50,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:50,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:50,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-08 22:46:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:50,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:50,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:50,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:50,495 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:50,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 22:46:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:50,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:50,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:50,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:50,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-08 22:46:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:51,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:51,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:51,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:51,011 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:51,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 22:46:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:51,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:51,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:51,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:51,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-08 22:46:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:51,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:51,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:51,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:51,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:51,551 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:51,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 22:46:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:51,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:51,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:51,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:52,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:52,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:52,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:52,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:52,097 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:52,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 22:46:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:52,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:52,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:52,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:52,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:52,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:52,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:52,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:52,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:52,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:52,659 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:52,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 22:46:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:52,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:52,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:52,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:53,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:53,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:53,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:53,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:53,227 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:53,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 22:46:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:53,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:53,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:53,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:53,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-08 22:46:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:53,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:53,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:53,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:53,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:53,763 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:53,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 22:46:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:54,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:54,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:54,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:54,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-08 22:46:54,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:54,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:54,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:54,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:54,287 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:54,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 22:46:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:54,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:54,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:54,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:54,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-08 22:46:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:54,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:54,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:54,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:54,870 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:54,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 22:46:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:55,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:55,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:55,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:55,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:55,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:55,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:55,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:55,428 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:55,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 22:46:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:55,697 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:55,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:55,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:55,974 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:55,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-08 22:46:55,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:55,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:55,985 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:55,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:55,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:55,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:55,987 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:55,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 22:46:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:56,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:56,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:56,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:56,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-08 22:46:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:56,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:56,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:56,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:56,509 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:56,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 22:46:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:56,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:56,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:56,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:57,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:57,127 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:57,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:57,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:57,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:57,134 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:57,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 22:46:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:57,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:57,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:57,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:57,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:57,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:57,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:57,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:57,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:57,636 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:57,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 22:46:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:57,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:57,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:57,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:58,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-08 22:46:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:58,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:58,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:58,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:58,313 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:58,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 22:46:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:58,605 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:58,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:58,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:58,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:58,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:58,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:58,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:58,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:58,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:58,898 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:58,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 22:46:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:59,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:59,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:59,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:46:59,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-08 22:46:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:46:59,436 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:46:59,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:46:59,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:59,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:59,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:59,439 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:59,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 22:46:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:59,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:59,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:46:59,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:00,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:00,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:00,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:00,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:00,047 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:00,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 22:47:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:00,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:00,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:00,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:00,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-08 22:47:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:00,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:00,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:00,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:00,574 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:00,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 22:47:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:00,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:00,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:00,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:01,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-08 22:47:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:01,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:01,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:01,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:01,123 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:01,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 22:47:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:01,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:01,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:01,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:01,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-08 22:47:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:01,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:01,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:01,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:01,670 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:01,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 22:47:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:01,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:01,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:01,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:02,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:02,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:02,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:02,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:02,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:02,169 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:02,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 22:47:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:02,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:02,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:02,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:02,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-08 22:47:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:02,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:02,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:02,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:02,721 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:02,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 22:47:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:03,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:03,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:03,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:03,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:03,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:03,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:03,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:03,304 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:03,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 22:47:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:03,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:03,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:03,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:03,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-08 22:47:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:03,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:03,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:03,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:03,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:03,823 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:03,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 22:47:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:04,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:04,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:04,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:04,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-08 22:47:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:04,325 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:04,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:04,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:04,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:04,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:04,328 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:04,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 22:47:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:04,629 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:04,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:04,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:04,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-08 22:47:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:04,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:04,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:04,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:04,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:04,876 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:04,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 22:47:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:05,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:05,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:05,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:05,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:05,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:05,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:05,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:05,484 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:05,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 22:47:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:05,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:05,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:05,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:05,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-08 22:47:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:06,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:06,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:06,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:06,010 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:06,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 22:47:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:06,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:06,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:06,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:06,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:06,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:06,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:06,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:06,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:06,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:06,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:06,565 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:06,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 22:47:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:06,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:06,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:06,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:07,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:07,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:07,102 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:07,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:07,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:07,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:07,104 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:07,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 22:47:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:07,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:07,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:07,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:07,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:07,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:07,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:07,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:07,664 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:07,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 22:47:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:07,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:07,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:07,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:08,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:08,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:08,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:08,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:08,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:08,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:08,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:08,200 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:08,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 22:47:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:08,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:08,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:47:08,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:08,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-08 22:47:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:08,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:08,987 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:08,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:08,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:08,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:08,990 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:08,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 22:47:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:09,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:09,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:09,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:09,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-08 22:47:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:09,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:09,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:09,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:09,546 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:09,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 22:47:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:09,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:09,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:09,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:10,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:10,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:10,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:10,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:10,191 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:10,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 22:47:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:10,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:10,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:10,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:10,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:10,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:10,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:10,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:10,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:10,894 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:10,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 22:47:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:11,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:11,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:11,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:11,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:11,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:11,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:11,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:11,473 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:11,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 22:47:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:11,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:11,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:11,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:12,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:12,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-08 22:47:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:12,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:12,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:12,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:12,027 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:12,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 22:47:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:12,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:12,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:12,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:12,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:12,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:12,651 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:12,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:12,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:12,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:12,656 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:12,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 22:47:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:13,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:13,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:13,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:13,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:13,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:13,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:13,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:13,286 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:13,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 22:47:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:13,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:13,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:13,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:13,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:13,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:13,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:13,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:13,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:13,889 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:13,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 22:47:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:14,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:14,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:14,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:14,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:14,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:14,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:14,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:14,464 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:14,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 22:47:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:14,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:14,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:14,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:15,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:15,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:15,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:15,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:15,060 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:15,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 22:47:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:15,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:15,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:15,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:15,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-08 22:47:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:15,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:15,620 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:15,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:15,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:15,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:15,621 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:15,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 22:47:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:15,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:15,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:15,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:16,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:16,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:16,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:16,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:16,191 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:16,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 22:47:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:16,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:16,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:16,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:16,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:16,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:16,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:16,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:16,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:16,758 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:16,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 22:47:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:17,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:17,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:17,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:17,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:17,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:17,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:17,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:17,329 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:17,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 22:47:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:17,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:17,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:17,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:17,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:17,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:17,887 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:17,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:17,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:17,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:17,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:17,889 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:17,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 22:47:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:18,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:18,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:18,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:18,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:18,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:18,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:18,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:18,466 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:18,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 22:47:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:18,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:18,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:18,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:19,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:19,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:19,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:19,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:19,188 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:19,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 22:47:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:19,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:19,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:19,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:19,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-08 22:47:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:19,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:19,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:19,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:19,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:19,771 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:19,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 22:47:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:20,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:20,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:20,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:20,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:20,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:20,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:20,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:20,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:20,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:20,366 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:20,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 22:47:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:20,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:20,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:20,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:21,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-08 22:47:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:21,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:21,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:21,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:21,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:21,012 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:21,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 22:47:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:21,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:21,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:21,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:21,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-08 22:47:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:21,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:21,590 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:21,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:21,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:21,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:21,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:21,595 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:21,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 22:47:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:21,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:21,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:21,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:22,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-08 22:47:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:22,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:22,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:22,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:22,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:22,193 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:22,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 22:47:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:22,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:22,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:22,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:22,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-08 22:47:22,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:22,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:22,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:22,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:22,868 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:22,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 22:47:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:23,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:23,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:23,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:23,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-08 22:47:23,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:23,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:23,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:23,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:23,498 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:23,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 22:47:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:23,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:23,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:23,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:24,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-08 22:47:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:24,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:24,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:24,093 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:24,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 22:47:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:24,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:24,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:24,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:24,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-08 22:47:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:24,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:24,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:24,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:24,892 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:24,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 22:47:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:25,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:25,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:25,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:25,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:25,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-08 22:47:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:25,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:25,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:25,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:25,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:25,552 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:25,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 22:47:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:25,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:26,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:26,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:26,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:26,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:26,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:26,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:26,324 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:26,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 22:47:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:26,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:26,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:26,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:27,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:27,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:27,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:27,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:27,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:27,059 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:27,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 22:47:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:27,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:27,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:27,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:27,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-08 22:47:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:27,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:27,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:27,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:27,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:27,674 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:27,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 22:47:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:28,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:28,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:28,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:28,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:28,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-08 22:47:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:28,342 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:28,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:28,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:28,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:28,343 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:28,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 22:47:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:28,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:28,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:28,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:29,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-08 22:47:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:29,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:29,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:29,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:29,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:29,015 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:29,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 22:47:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:29,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:29,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:29,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:29,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-08 22:47:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:29,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:29,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:29,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:29,663 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:29,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 22:47:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:30,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:30,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:30,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:30,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-08 22:47:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:30,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:30,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:30,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:30,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:30,251 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:30,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 22:47:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:30,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:30,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:30,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:30,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-08 22:47:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:30,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:30,911 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:30,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:30,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:30,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:30,913 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:30,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 22:47:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:31,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:31,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:31,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:31,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-08 22:47:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:31,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:31,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:31,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:31,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:31,484 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:31,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 22:47:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:31,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:31,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:31,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:32,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:32,077 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:32,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:32,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:32,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:32,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:32,078 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:32,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 22:47:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:32,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:32,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:32,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:32,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:32,797 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:32,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:32,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:32,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:32,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:32,800 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:32,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 22:47:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:33,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:33,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:33,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:33,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-08 22:47:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:33,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:33,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:33,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:33,515 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:33,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 22:47:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:33,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:33,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:33,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:34,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-08 22:47:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:34,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:34,125 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:34,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:34,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:34,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:34,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:34,126 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:34,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 22:47:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:34,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:34,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:34,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:34,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-08 22:47:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:34,787 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:34,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:34,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:34,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:34,788 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:34,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 22:47:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:35,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:35,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:35,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:35,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-08 22:47:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:35,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:35,446 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:35,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:35,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:35,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:35,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:35,449 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:35,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 22:47:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:35,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:35,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:35,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:36,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-08 22:47:36,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:36,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:36,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:36,089 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:36,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 22:47:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:36,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:36,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:36,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:36,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:36,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:36,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:36,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:36,722 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:36,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 22:47:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:37,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:37,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:37,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:37,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:37,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:37,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:37,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:37,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:37,362 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:37,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 22:47:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:37,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:37,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:37,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:38,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:38,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:38,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:38,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:38,066 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:38,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 22:47:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:38,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:38,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:38,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:38,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-08 22:47:38,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:38,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:38,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:38,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:38,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:38,725 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:38,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 22:47:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:39,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:39,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:39,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:39,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-08 22:47:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:39,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:39,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:39,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:39,347 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:39,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 22:47:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:39,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:39,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:39,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:40,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:40,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-08 22:47:40,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:40,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:40,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:40,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:40,150 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:40,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 22:47:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:40,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:40,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:40,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:40,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-08 22:47:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:40,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:40,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:40,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:40,822 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:40,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 22:47:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:41,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:41,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:41,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:41,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-08 22:47:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:41,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:41,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:41,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:41,486 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:41,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 22:47:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:41,873 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:41,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:41,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:42,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:42,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-08 22:47:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:42,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:42,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:42,124 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:42,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 22:47:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:42,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:42,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:42,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:42,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-08 22:47:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:42,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:42,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:42,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:42,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:42,820 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:42,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 22:47:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:43,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:43,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:43,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:43,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-08 22:47:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:43,466 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:43,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:43,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:43,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:43,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:43,468 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:43,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 22:47:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:43,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:43,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:43,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:44,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:44,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:44,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:44,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:44,152 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:44,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 22:47:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:44,548 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:44,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:44,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:44,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-08 22:47:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:44,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:44,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:44,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:44,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:44,800 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:44,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 22:47:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:45,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:45,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:45,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:45,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-08 22:47:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:45,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:45,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:45,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:45,470 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:45,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 22:47:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:45,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:45,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:45,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:46,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-08 22:47:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:46,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:46,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:46,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:46,139 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:46,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 22:47:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:46,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:46,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:46,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:46,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-08 22:47:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:46,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:46,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:46,809 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:46,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 22:47:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:47,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:47,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:47,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:47,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-08 22:47:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:47,497 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:47,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:47,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:47,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:47,500 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:47,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 22:47:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:47,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:48,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:48,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:48,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:48,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:48,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:48,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:48,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:48,252 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:48,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 22:47:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:48,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:48,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:48,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:48,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:48,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:48,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:48,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:48,973 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:48,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 22:47:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:49,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:49,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:49,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:49,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:49,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:49,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:49,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:49,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:49,760 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:49,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 22:47:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:50,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:50,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:50,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:50,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-08 22:47:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:50,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:50,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:50,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:50,402 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:50,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 22:47:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:50,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:50,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:50,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:51,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-08 22:47:51,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:51,229 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:51,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:51,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:51,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:51,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:51,231 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:51,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 22:47:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:51,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:51,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:51,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:51,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-08 22:47:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:51,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:51,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:51,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:51,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:51,990 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:51,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 22:47:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:52,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:52,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:52,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:52,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-08 22:47:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:52,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:52,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:52,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:52,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:52,748 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:52,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 22:47:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:53,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:53,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:53,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:53,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-08 22:47:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:53,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:53,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:53,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:53,456 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:53,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 22:47:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:53,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:53,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:53,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:54,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-08 22:47:54,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:54,121 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:54,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:54,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:54,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:54,124 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:54,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 22:47:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:54,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:54,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:54,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:54,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-08 22:47:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:54,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:54,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:54,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:54,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:54,815 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:54,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 22:47:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:55,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:55,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:55,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:55,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-08 22:47:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:55,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:55,505 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:55,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:55,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:55,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:55,506 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:55,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 22:47:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:55,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:55,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:55,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:56,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-08 22:47:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:56,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:56,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:56,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:56,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:56,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:56,150 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:56,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 22:47:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:56,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:56,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:56,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:56,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-08 22:47:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:56,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:56,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:56,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:56,859 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:56,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 22:47:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:57,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:57,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:57,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:57,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:57,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:57,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:57,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:57,535 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:57,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 22:47:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:57,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:57,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:57,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:58,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:58,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:58,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:58,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:58,263 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:58,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 22:47:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:58,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:58,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:58,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:58,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-08 22:47:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:58,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:58,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:58,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:58,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:58,985 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:58,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 22:47:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:59,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:59,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:47:59,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:47:59,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-08 22:47:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:47:59,635 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:47:59,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:47:59,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:59,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:59,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:59,638 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:59,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 22:48:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:00,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:00,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:00,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:00,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-08 22:48:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:00,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:00,360 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:00,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:00,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:00,361 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:00,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 22:48:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:00,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:00,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:00,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:01,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:01,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-08 22:48:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:01,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:01,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:01,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:01,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:01,041 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:01,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-08 22:48:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:01,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:01,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:01,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:01,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-08 22:48:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:01,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:01,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:01,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:01,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:01,729 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:01,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-08 22:48:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:02,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:02,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:02,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:02,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:02,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:02,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:02,405 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:02,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-08 22:48:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:02,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:02,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:02,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:03,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:03,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-08 22:48:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:03,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:03,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:03,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:03,112 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:03,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-08 22:48:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:03,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:03,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:03,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:03,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-08 22:48:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:03,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:03,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:03,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:03,827 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:03,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-08 22:48:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:04,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:04,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:04,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:04,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:04,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:04,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:04,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:04,537 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:04,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-08 22:48:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:04,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:04,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:04,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:05,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-08 22:48:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:05,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:05,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:05,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:05,218 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:05,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-08 22:48:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:05,647 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:05,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:05,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:06,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-08 22:48:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:06,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:06,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:06,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:06,011 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:06,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-08 22:48:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:06,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:06,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:06,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:06,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:06,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:06,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:06,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:06,709 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:06,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-08 22:48:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:07,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:07,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:07,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:07,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-08 22:48:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:07,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:07,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:07,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:07,394 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:07,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-08 22:48:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:07,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:07,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:07,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:08,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-08 22:48:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:08,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:08,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:08,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:08,116 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:08,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-08 22:48:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:08,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:08,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:08,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:08,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-08 22:48:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:08,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:08,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:08,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:08,800 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:08,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-08 22:48:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:09,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:09,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:09,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:09,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:09,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:09,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:09,520 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:09,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:09,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:09,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:09,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:09,521 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:09,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-08 22:48:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:09,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:09,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:09,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:10,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-08 22:48:10,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:10,217 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:10,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:10,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:10,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:10,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:10,220 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:10,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-08 22:48:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:10,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:10,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:10,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:10,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:10,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-08 22:48:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:10,962 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:10,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:10,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:10,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:10,964 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:10,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-08 22:48:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:11,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:11,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:11,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:11,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-08 22:48:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:11,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:11,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:11,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:11,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:11,675 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:11,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-08 22:48:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:12,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:12,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:12,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:12,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-08 22:48:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:12,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:12,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:12,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:12,362 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:12,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-08 22:48:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:12,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:12,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:12,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:13,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:13,083 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:13,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:13,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:13,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:13,085 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:13,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-08 22:48:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:13,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:13,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:13,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:13,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-08 22:48:13,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:13,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:13,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:13,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:13,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:13,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:13,834 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:13,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-08 22:48:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:14,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:14,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:14,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:14,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-08 22:48:14,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:14,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:14,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:14,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:14,548 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:14,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-08 22:48:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:14,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:15,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:15,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:15,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-08 22:48:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:15,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:15,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:15,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:15,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:15,264 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:15,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-08 22:48:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:15,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:15,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:15,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:15,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-08 22:48:15,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:15,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:15,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:15,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:15,971 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:15,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-08 22:48:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:16,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:16,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:16,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:16,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:16,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-08 22:48:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:16,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:16,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:16,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:16,675 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:16,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-08 22:48:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:17,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:17,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:17,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:17,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-08 22:48:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:17,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:17,372 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:17,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:17,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:17,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:17,374 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:17,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-08 22:48:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:17,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:17,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:17,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:18,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-08 22:48:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:18,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:18,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:18,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:18,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:18,118 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:18,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-08 22:48:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:18,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:18,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:18,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:18,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-08 22:48:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:18,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:18,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:18,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:18,882 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:18,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-08 22:48:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:19,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:19,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:19,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:19,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-08 22:48:19,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:19,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:19,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:19,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:19,625 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:19,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-08 22:48:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:20,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:20,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:20,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:20,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-08 22:48:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:20,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:20,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:20,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:20,328 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:20,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-08 22:48:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:20,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:20,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:20,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:21,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-08 22:48:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:21,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:21,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:21,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:21,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:21,069 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:21,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-08 22:48:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:21,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:21,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:21,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:21,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:21,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:21,779 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:21,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:21,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:21,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:21,783 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:21,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-08 22:48:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:22,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:22,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:22,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:22,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:22,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:22,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:22,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:22,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:22,496 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:22,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-08 22:48:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:23,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:23,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:23,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:23,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-08 22:48:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:23,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:23,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:23,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:23,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:23,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:23,240 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:23,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-08 22:48:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:23,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:23,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:23,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:23,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-08 22:48:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:24,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:24,002 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:24,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-08 22:48:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:24,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:24,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:24,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:24,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-08 22:48:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:24,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:24,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:24,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:24,767 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:24,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-08 22:48:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:25,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:25,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:25,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:25,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-08 22:48:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:25,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:25,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:25,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:25,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:25,488 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:25,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-08 22:48:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:25,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:25,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:25,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:26,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-08 22:48:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:26,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:26,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:26,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:26,234 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:26,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-08 22:48:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:26,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:26,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:26,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:26,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-08 22:48:26,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:26,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:26,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:26,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:26,963 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:26,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-08 22:48:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:27,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:27,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:27,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:27,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-08 22:48:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:27,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:27,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:27,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:27,701 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:27,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-08 22:48:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:28,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:28,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:28,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:28,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:28,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:28,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:28,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:28,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:28,442 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:28,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-08 22:48:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:28,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:28,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:28,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:29,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-08 22:48:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:29,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:29,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:29,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:29,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:29,142 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:29,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-08 22:48:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:29,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:29,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:29,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:29,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-08 22:48:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:29,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:29,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:29,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:29,897 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:29,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-08 22:48:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:30,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:30,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:30,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:30,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-08 22:48:30,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:30,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:30,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:30,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:30,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:30,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:30,647 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:30,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-08 22:48:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:31,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:31,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:31,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:31,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-08 22:48:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:31,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:31,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:31,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:31,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:31,378 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:31,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-08 22:48:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:31,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:31,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:31,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:32,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-08 22:48:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:32,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:32,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:32,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:32,104 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:32,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-08 22:48:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:32,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:32,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:32,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:32,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-08 22:48:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:32,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:32,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:32,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:32,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:32,840 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:32,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-08 22:48:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:33,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:33,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:33,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:33,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:33,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:33,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:33,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:33,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:33,673 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:33,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-08 22:48:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:34,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:34,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:34,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:34,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-08 22:48:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:34,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:34,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:34,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:34,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:34,466 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:34,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-08 22:48:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:34,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:34,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:34,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:35,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:35,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-08 22:48:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:35,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:35,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:35,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:35,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:35,227 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:35,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-08 22:48:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:35,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:35,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:35,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:35,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-08 22:48:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:35,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:35,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:35,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:35,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:35,988 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:35,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-08 22:48:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:36,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:36,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:36,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:36,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-08 22:48:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:36,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:36,706 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:36,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:36,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:36,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:36,707 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:36,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-08 22:48:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:37,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:37,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:37,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:37,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-08 22:48:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:37,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:37,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:37,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:37,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:37,477 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:37,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-08 22:48:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:37,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:37,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:38,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:38,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-08 22:48:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:38,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:38,199 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:38,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:38,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:38,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:38,202 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:38,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-08 22:48:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:38,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:38,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:38,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:38,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:38,961 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:38,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:38,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:38,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:38,962 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:38,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-08 22:48:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:39,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:39,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:39,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:39,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-08 22:48:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:39,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:39,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:39,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:39,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:39,735 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:39,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-08 22:48:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:40,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:40,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:40,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:40,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-08 22:48:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:40,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:40,504 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:40,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:40,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:40,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:40,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:40,505 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:40,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-08 22:48:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:41,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:41,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:41,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:41,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-08 22:48:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:41,240 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:41,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:41,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:41,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:41,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:41,241 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:41,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-08 22:48:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:41,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:41,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:41,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:42,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-08 22:48:42,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:42,017 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:42,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:42,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:42,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:42,019 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:42,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-08 22:48:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:42,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:42,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:42,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:42,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-08 22:48:42,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:42,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:42,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:42,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:42,775 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:42,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-08 22:48:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:43,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:43,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:43,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:43,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-08 22:48:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:43,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:43,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:43,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:43,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:43,570 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:43,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-08 22:48:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:44,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:44,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:44,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:44,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-08 22:48:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:44,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:44,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:44,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:44,374 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:44,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-08 22:48:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:44,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:44,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:44,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:45,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-08 22:48:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:45,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:45,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:45,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:45,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:45,175 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:45,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-08 22:48:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:45,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:45,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:45,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:45,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:45,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:45,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:45,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:45,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:45,925 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:45,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-08 22:48:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:46,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:46,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:46,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:46,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-08 22:48:46,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:46,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:46,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:46,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:46,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:46,662 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:46,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-08 22:48:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:47,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:47,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:47,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:47,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-08 22:48:47,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:47,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:47,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:47,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:47,398 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:47,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-08 22:48:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:47,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:47,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:47,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:48,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:48,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-08 22:48:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:48,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:48,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:48,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:48,210 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:48,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-08 22:48:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:48,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:48,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:48,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:48,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-08 22:48:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:48,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:48,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:48,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:48,963 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:48,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-08 22:48:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:49,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:49,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:49,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:49,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-08 22:48:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:49,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:49,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:49,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:49,784 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:49,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-08 22:48:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:50,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:50,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:50,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:50,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-08 22:48:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:50,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:50,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:50,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:50,545 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:50,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-08 22:48:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:51,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:51,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:51,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:51,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-08 22:48:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:51,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:51,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:51,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:51,318 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:51,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-08 22:48:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:51,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:51,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:51,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:52,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:52,061 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:52,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:52,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:52,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:52,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:52,065 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:52,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-08 22:48:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:52,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:52,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:52,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:52,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-08 22:48:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:52,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:52,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:52,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:52,874 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:52,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-08 22:48:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:53,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:53,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:53,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:53,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-08 22:48:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:53,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:53,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:53,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:53,717 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:53,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-08 22:48:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:54,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:54,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:54,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:54,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:54,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:54,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:54,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:54,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:54,551 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:54,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-08 22:48:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:55,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:55,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:55,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:55,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-08 22:48:55,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:55,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:55,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:55,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:55,354 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:55,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-08 22:48:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:55,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:55,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:55,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:56,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:56,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:56,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:56,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:56,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:56,202 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:56,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-08 22:48:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:56,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:56,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:56,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:57,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-08 22:48:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:57,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:57,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:57,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:57,080 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:57,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-08 22:48:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:57,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:57,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:57,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:57,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:57,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:57,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:57,838 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:57,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:57,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:57,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:57,840 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:57,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-08 22:48:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:58,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:58,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:58,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:58,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-08 22:48:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:58,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:58,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:58,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:58,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:58,634 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:58,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-08 22:48:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:59,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:59,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:48:59,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:48:59,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-08 22:48:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:48:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:48:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:48:59,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:59,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:59,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:59,354 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:59,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-08 22:48:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:59,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:59,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:48:59,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:00,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-08 22:49:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:00,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:00,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:00,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:00,145 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:00,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-08 22:49:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:00,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:00,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:00,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:00,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-08 22:49:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:00,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:00,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:00,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:00,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:00,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:00,928 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:00,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-08 22:49:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:01,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:01,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:01,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:01,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-08 22:49:01,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:01,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:01,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:01,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:01,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:01,727 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:01,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-08 22:49:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:02,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:02,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:02,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:02,501 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:02,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-08 22:49:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:02,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:02,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:02,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:02,520 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:02,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-08 22:49:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:03,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:03,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:03,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:03,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:03,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:03,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:03,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:03,399 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:03,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-08 22:49:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:03,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:03,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:03,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:04,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:04,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:04,207 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:04,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:04,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:04,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:04,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:04,208 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:04,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-08 22:49:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:04,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:04,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:04,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:05,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-08 22:49:05,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:05,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:05,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:05,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:05,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:05,027 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:05,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-08 22:49:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:05,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:05,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:05,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:05,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-08 22:49:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:05,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:05,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:05,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:05,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:05,827 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:05,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-08 22:49:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:06,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:06,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:06,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:06,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:06,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-08 22:49:06,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:06,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:06,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:06,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:06,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:06,643 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:06,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-08 22:49:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:07,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:07,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:07,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:07,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-08 22:49:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:07,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:07,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:07,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:07,441 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:07,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-08 22:49:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:07,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:08,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:08,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:08,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-08 22:49:08,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:08,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:08,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:08,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:08,242 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:08,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-08 22:49:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:08,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:08,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:08,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:09,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-08 22:49:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:09,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:09,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:09,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:09,047 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:09,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-08 22:49:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:09,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:09,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:09,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:09,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-08 22:49:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:09,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:09,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:09,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:09,891 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:09,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-08 22:49:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:10,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:10,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:10,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:10,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-08 22:49:10,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:10,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:10,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:10,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:10,705 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:10,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-08 22:49:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:11,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:11,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:11,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:11,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:11,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:11,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:11,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:11,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:11,558 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:11,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-08 22:49:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:12,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:12,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:12,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:12,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-08 22:49:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:12,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:12,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:12,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:12,369 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:12,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-08 22:49:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:12,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:12,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:12,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:13,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-08 22:49:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:13,214 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:13,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:13,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:13,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:13,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:13,217 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:13,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-08 22:49:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:13,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:13,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:13,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:14,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-08 22:49:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:14,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:14,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:14,047 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:14,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-08 22:49:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:14,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:14,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:14,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:14,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-08 22:49:14,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:14,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:14,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:14,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:14,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:14,901 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:14,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-08 22:49:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:15,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:15,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:15,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:15,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-08 22:49:15,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:15,707 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:15,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:15,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:15,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:15,709 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:15,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-08 22:49:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:16,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:16,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:16,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:16,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:16,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-08 22:49:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:16,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:16,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:16,572 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:16,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-08 22:49:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:17,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:17,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:17,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:17,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:17,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:17,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:17,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:17,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:17,430 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:17,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-08 22:49:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:18,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:18,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:18,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:18,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:18,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:18,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:18,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:18,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:18,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:18,270 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:18,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-08 22:49:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:18,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:18,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:18,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:19,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:19,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:19,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:19,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:19,110 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:19,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-08 22:49:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:19,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:19,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:19,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:19,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-08 22:49:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:19,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:19,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:19,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:19,965 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:19,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-08 22:49:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:20,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:20,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:20,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:20,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-08 22:49:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:20,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:20,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:20,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:20,818 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:20,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-08 22:49:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:21,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:21,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:21,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:21,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-08 22:49:21,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:21,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:21,662 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:21,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:21,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:21,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:21,663 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:21,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-08 22:49:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:22,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:22,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:22,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:22,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-08 22:49:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:22,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:22,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:22,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:22,543 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:22,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-08 22:49:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:23,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:23,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:23,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:23,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:23,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-08 22:49:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:23,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:23,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:23,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:23,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:23,477 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:23,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-08 22:49:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:24,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:24,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:24,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:24,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-08 22:49:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:24,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:24,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:24,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:24,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:24,332 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:24,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-08 22:49:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:24,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:24,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:24,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:25,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-08 22:49:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:25,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:25,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:25,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:25,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:25,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:25,174 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:25,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-08 22:49:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:25,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:25,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:25,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:26,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-08 22:49:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:26,062 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:26,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:26,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:26,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:26,064 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:26,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-08 22:49:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:26,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:26,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:26,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:26,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-08 22:49:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:26,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:26,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:26,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:26,924 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:26,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-08 22:49:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:27,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:27,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:27,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:27,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-08 22:49:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:27,785 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:27,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:27,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:27,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:27,786 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:27,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-08 22:49:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:28,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:28,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:28,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:28,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-08 22:49:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:28,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:28,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:28,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:28,681 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:28,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-08 22:49:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:29,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:29,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:29,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:29,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-08 22:49:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:29,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:29,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:29,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:29,545 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:29,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-08 22:49:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:30,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:30,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:30,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:30,415 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:30,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-08 22:49:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:30,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:30,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:30,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:30,435 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:30,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-08 22:49:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:31,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:31,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:31,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:31,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:31,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-08 22:49:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:31,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:31,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:31,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:31,286 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:31,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-08 22:49:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:31,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:31,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:31,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:32,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-08 22:49:32,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:32,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:32,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:32,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:32,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:32,115 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:32,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-08 22:49:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:32,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:32,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:32,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:32,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-08 22:49:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:32,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:32,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:32,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:32,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:32,995 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:32,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-08 22:49:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:33,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:33,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:33,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:33,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-08 22:49:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:33,862 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:33,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:33,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:33,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:33,864 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:33,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-08 22:49:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:34,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:34,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:34,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:34,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-08 22:49:34,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:34,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:34,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:34,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:34,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:34,743 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:34,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-08 22:49:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:35,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:35,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:35,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:35,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-08 22:49:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:35,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:35,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:35,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:35,701 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:35,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-08 22:49:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:36,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:36,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:36,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:36,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-08 22:49:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:36,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:36,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:36,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:36,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:36,775 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:36,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-08 22:49:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:37,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:37,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:37,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:37,648 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:37,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-08 22:49:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:37,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:37,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:37,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:37,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:37,662 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:37,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-08 22:49:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:38,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:38,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:38,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:38,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-08 22:49:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:38,573 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:38,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:38,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:38,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:38,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:38,577 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:38,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-08 22:49:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:39,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:39,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:39,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:39,463 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:39,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-08 22:49:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:39,475 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:39,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:39,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:39,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:39,477 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:39,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-08 22:49:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:40,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:40,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:40,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:40,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:40,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-08 22:49:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:40,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:40,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:40,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:40,385 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:40,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-08 22:49:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:41,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:41,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:41,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:41,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-08 22:49:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:41,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:41,248 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:41,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:41,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:41,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:41,249 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:41,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-08 22:49:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:41,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:41,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:41,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:42,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:42,109 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:42,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:42,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:42,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:42,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:42,110 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:42,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-08 22:49:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:42,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:42,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:42,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:43,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:43,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:43,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:43,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:43,042 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:43,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-08 22:49:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:43,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:43,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:43,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:43,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-08 22:49:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:43,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:43,929 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:43,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:43,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:43,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:43,930 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:43,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-08 22:49:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:44,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:44,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:49:44,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:44,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-08 22:49:44,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:44,814 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:44,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:44,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:44,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:44,816 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:44,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-08 22:49:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:45,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:45,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:45,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:45,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-08 22:49:45,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:45,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:45,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:45,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:45,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:45,693 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:45,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-08 22:49:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:46,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:46,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:46,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:46,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-08 22:49:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:46,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:46,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:46,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:46,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:46,591 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:46,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-08 22:49:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:47,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:47,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:47,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:47,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:47,420 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:47,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:47,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:47,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:47,421 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:47,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-08 22:49:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:48,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:48,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:48,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:48,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:48,313 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:48,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:48,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:48,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:48,314 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:48,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-08 22:49:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:48,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:48,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:48,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:49,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:49,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:49,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:49,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:49,224 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:49,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-08 22:49:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:49,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:49,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:49,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:50,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:50,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:50,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:50,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:50,137 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:50,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-08 22:49:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:50,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:50,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:50,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:51,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-08 22:49:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:51,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:51,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:51,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:51,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:51,028 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:51,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-08 22:49:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:51,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:51,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:51,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:51,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:51,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-08 22:49:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:51,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:51,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:51,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:51,926 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:51,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-08 22:49:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:52,606 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:52,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:52,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:52,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-08 22:49:52,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:52,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:52,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:52,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:52,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:52,908 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:52,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-08 22:49:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:53,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:53,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:53,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:53,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-08 22:49:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:53,820 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:53,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:53,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:53,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:53,821 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:53,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-08 22:49:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:54,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:54,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:54,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:54,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-08 22:49:54,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:54,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:54,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:54,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:54,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:54,684 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:54,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-08 22:49:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:55,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:55,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:55,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:55,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-08 22:49:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:55,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:55,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:55,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:55,586 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:55,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-08 22:49:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:56,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:56,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:56,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:56,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-08 22:49:56,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:56,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:56,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:56,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:56,506 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:56,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-08 22:49:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:57,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:57,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:57,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:57,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-08 22:49:57,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:57,424 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:57,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:57,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:57,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:57,426 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:57,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-08 22:49:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:58,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:58,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:58,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:58,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-08 22:49:58,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:58,276 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:58,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:58,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:58,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:58,277 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:58,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-08 22:49:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:58,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:58,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:58,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:49:59,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-08 22:49:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:49:59,210 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:49:59,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:49:59,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:59,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:59,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:59,212 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:59,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-08 22:49:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:59,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:59,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:59,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:00,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-08 22:50:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:00,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:00,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:00,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:00,138 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:00,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-08 22:50:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:00,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:00,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:00,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:01,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-08 22:50:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:01,043 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:01,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:01,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:01,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:01,047 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:01,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-08 22:50:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:01,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:01,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:01,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:01,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-08 22:50:01,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:01,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:01,955 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:01,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:01,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:01,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:01,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:01,956 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:01,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-08 22:50:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:02,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:02,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:02,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:03,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:03,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:03,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:03,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:03,057 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:03,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-08 22:50:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:03,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:03,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:03,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:04,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-08 22:50:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:04,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:04,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:04,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:04,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:04,119 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:04,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-08 22:50:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:04,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:04,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:04,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:05,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-08 22:50:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:05,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:05,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:05,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:05,094 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:05,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-08 22:50:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:05,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:05,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:05,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:05,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-08 22:50:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:05,992 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:05,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:05,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:05,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:05,993 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:05,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-08 22:50:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:06,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:06,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:06,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:06,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-08 22:50:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:06,880 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:06,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:06,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:06,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:06,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:06,882 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:06,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-08 22:50:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:07,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:07,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:07,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:07,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-08 22:50:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:07,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:07,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:07,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:07,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:07,817 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:07,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-08 22:50:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:08,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:08,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:08,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:08,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-08 22:50:08,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:08,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:08,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:08,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:08,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:08,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:08,759 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:08,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-08 22:50:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:09,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:09,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:09,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:09,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-08 22:50:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:09,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:09,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:09,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:09,680 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:09,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-08 22:50:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:10,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:10,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:10,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:10,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-08 22:50:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:10,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:10,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:10,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:10,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:10,638 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:10,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-08 22:50:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:11,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:11,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:50:11,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:11,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:11,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:11,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:11,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:11,520 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:11,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-08 22:50:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:12,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:12,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:12,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:12,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-08 22:50:12,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:12,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:12,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:12,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:12,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:12,486 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:12,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-08 22:50:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:13,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:13,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:13,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:13,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-08 22:50:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:13,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:13,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:13,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:13,525 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:13,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-08 22:50:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:14,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:14,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:14,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:14,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-08 22:50:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:14,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:14,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:14,482 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:14,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-08 22:50:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:15,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:15,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:15,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:15,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:15,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:15,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:15,439 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:15,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:15,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:15,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:15,442 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:15,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-08 22:50:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:16,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:16,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:16,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:16,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-08 22:50:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:16,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:16,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:16,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:16,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:16,409 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:16,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-08 22:50:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:17,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:17,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:17,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:17,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-08 22:50:17,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:17,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:17,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:17,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:17,319 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:17,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-08 22:50:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:18,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:18,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:18,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:18,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:18,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:18,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:18,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:18,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:18,278 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:18,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-08 22:50:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:18,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:18,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:18,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:19,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:19,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:19,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:19,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:19,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:19,256 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:19,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-08 22:50:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:19,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:19,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:19,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:20,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-08 22:50:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:20,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:20,256 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:20,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-08 22:50:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:20,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:20,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:20,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:21,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-08 22:50:21,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:21,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:21,227 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:21,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:21,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:21,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:21,228 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:21,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-08 22:50:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:21,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:21,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:21,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:22,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:22,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-08 22:50:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:22,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:22,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:22,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:22,156 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:22,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-08 22:50:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:22,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:22,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:22,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:23,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:23,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-08 22:50:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:23,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:23,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:23,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:23,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:23,167 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:23,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-08 22:50:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:23,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:23,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:23,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:24,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-08 22:50:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:24,149 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:24,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:24,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:24,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:24,151 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:24,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-08 22:50:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:24,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:24,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:24,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:25,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:25,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-08 22:50:25,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:25,095 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:25,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:25,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:25,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:25,096 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:25,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-08 22:50:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:25,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:25,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:25,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:26,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-08 22:50:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:26,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:26,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:26,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:26,045 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:26,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-08 22:50:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:26,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:26,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:26,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:26,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:26,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-08 22:50:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:26,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:26,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:26,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:26,978 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:26,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-08 22:50:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:27,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:27,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:27,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:27,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-08 22:50:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:27,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:27,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:27,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:27,950 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:27,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-08 22:50:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:28,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:28,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:28,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:28,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-08 22:50:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:28,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:28,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:28,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:28,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:28,887 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:28,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-08 22:50:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:29,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:29,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:29,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:29,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-08 22:50:29,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:29,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:29,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:29,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:29,833 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:29,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-08 22:50:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:30,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:30,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:30,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:30,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:30,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:30,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:30,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:30,807 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:30,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-08 22:50:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:31,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:31,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:31,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:31,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-08 22:50:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:31,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:31,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:31,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:31,762 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:31,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-08 22:50:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:32,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:32,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:32,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:32,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-08 22:50:32,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:32,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:32,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:32,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:32,804 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:32,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-08 22:50:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:33,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:33,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:33,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:33,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-08 22:50:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:33,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:33,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:33,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:33,752 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:33,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-08 22:50:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:34,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:34,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:34,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:34,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:34,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:34,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:34,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:34,748 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:34,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-08 22:50:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:35,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:35,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:35,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:35,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-08 22:50:35,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:35,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:35,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:35,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:35,709 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:35,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-08 22:50:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:36,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:36,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:36,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:36,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-08 22:50:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:36,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:36,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:36,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:36,648 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:36,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-08 22:50:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:37,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:37,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:37,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:37,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-08 22:50:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:37,635 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:37,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:37,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:37,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:37,636 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:37,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-08 22:50:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:38,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:38,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:38,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:38,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-08 22:50:38,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:38,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:38,585 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:38,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:38,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:38,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:38,588 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:38,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-08 22:50:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:39,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:39,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:39,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:39,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:39,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:39,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:39,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:39,537 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:39,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-08 22:50:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:40,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:40,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:40,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:40,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:40,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:40,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:40,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:40,470 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:40,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-08 22:50:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:41,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:41,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:41,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:41,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:41,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:41,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:41,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:41,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:41,433 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:41,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-08 22:50:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:42,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:42,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:42,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:42,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-08 22:50:42,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:42,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:42,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:42,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:42,410 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:42,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-08 22:50:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:43,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:43,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:43,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:43,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-08 22:50:43,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:43,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:43,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:43,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:43,429 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:43,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-08 22:50:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:44,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:44,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:44,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:44,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-08 22:50:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:44,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:44,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:44,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:44,411 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:44,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-08 22:50:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:45,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:45,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:45,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:45,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-08 22:50:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:45,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:45,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:45,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:45,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:45,420 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:45,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-08 22:50:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:46,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:46,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:46,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:46,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-08 22:50:46,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:46,361 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:46,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:46,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:46,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:46,362 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:46,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-08 22:50:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:47,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:47,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:47,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:47,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-08 22:50:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:47,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:47,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:47,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:47,296 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:47,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-08 22:50:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:48,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:48,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:48,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:48,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-08 22:50:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:48,260 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:48,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:48,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:48,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:48,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:48,263 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:48,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-08 22:50:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:48,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:49,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:49,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:49,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-08 22:50:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:49,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:49,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:49,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:49,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:49,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:49,241 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:49,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-08 22:50:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:49,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:49,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:49,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:50,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-08 22:50:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:50,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:50,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:50,236 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:50,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-08 22:50:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:50,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:50,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:50,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:51,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-08 22:50:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:51,247 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:51,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:51,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:51,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:51,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:51,248 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:51,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-08 22:50:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:52,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:52,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:52,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:52,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:52,272 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:52,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:52,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:52,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:52,274 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:52,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-08 22:50:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:53,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:53,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:53,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:53,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-08 22:50:53,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:53,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:53,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:53,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:53,294 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:53,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-08 22:50:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:54,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:54,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:54,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:54,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-08 22:50:54,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:54,292 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:54,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:54,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:54,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:54,293 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:54,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-08 22:50:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:55,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:55,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:55,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:55,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-08 22:50:55,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:55,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:55,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:55,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:55,273 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:55,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-08 22:50:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:56,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:56,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:56,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:56,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:56,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:56,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:56,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:56,302 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:56,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-08 22:50:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:57,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:57,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:57,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:57,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-08 22:50:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:57,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:57,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:57,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:57,313 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:57,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-08 22:50:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:58,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:58,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:58,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:58,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-08 22:50:58,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:58,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:58,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:58,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:58,297 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:58,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-08 22:50:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:59,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:59,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:59,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:50:59,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-08 22:50:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:50:59,314 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:50:59,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:50:59,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:59,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:59,316 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:59,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-08 22:51:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:00,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:00,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:51:00,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:00,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:00,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:00,286 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:00,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:00,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:00,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:00,287 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:00,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-08 22:51:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:01,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:01,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:01,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:01,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-08 22:51:14,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-11-08 22:51:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:14,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:14,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:14,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:14,046 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:14,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-11-08 22:51:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:14,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:14,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:14,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:15,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-11-08 22:51:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:15,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:15,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:15,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:15,070 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:15,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-11-08 22:51:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:15,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:15,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:15,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:16,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (388)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:16,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:16,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:16,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:16,143 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:16,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-11-08 22:51:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:16,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:16,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:16,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:17,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (389)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:17,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:17,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:17,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:17,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:17,153 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:17,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-11-08 22:51:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:17,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:17,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:17,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:18,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-11-08 22:51:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:18,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:18,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:18,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:18,241 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:18,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-11-08 22:51:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:19,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:19,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:19,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:19,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-11-08 22:51:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:19,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:19,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:19,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:19,255 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:19,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-11-08 22:51:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:20,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:20,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:20,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:20,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (392)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:20,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:20,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:20,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:20,306 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:20,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-11-08 22:51:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:21,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:21,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:21,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:21,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:21,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2024-11-08 22:51:21,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:21,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:21,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:21,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:21,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:21,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:21,376 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:21,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-11-08 22:51:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:22,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:22,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:22,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:22,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (394)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:22,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:22,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:22,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:22,469 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:22,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-11-08 22:51:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:23,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:23,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:23,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:23,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-11-08 22:51:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:23,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:23,594 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:23,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:23,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:23,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:23,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:23,600 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:23,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-11-08 22:51:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:24,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:24,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:24,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:24,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-11-08 22:51:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:24,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:24,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:24,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:24,678 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:24,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-11-08 22:51:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:25,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:25,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:25,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:25,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-11-08 22:51:25,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:25,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:25,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:25,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:25,780 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:25,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-11-08 22:51:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:26,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:26,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:26,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:26,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:26,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-11-08 22:51:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:26,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:26,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:26,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:26,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:26,812 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:26,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-11-08 22:51:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:27,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:27,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:27,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:27,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-11-08 22:51:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:27,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:27,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:27,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:27,906 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:27,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-11-08 22:51:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:28,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:28,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:28,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:28,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-11-08 22:51:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:28,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:28,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:28,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:28,926 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:28,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-11-08 22:51:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:29,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:29,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:29,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:29,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-11-08 22:51:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:29,947 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:29,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:29,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:29,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:29,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:29,949 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:29,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-11-08 22:51:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:30,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:30,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:30,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:30,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-11-08 22:51:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:31,005 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:31,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:31,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:31,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:31,006 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:31,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-11-08 22:51:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:31,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:31,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:31,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:32,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (403)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:32,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:32,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:32,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:32,070 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:32,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-11-08 22:51:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:32,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:32,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:32,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:33,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-11-08 22:51:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:33,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:33,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:33,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:33,109 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:33,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-11-08 22:51:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:33,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:33,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:33,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:34,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-11-08 22:51:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:34,119 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:34,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:34,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:34,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:34,121 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:34,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-11-08 22:51:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:34,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:34,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:34,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:35,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-11-08 22:51:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:35,174 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:35,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:35,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:35,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:35,176 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:35,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-11-08 22:51:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:35,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:36,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:36,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:36,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-11-08 22:51:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:36,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:36,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:36,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:36,263 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:36,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-11-08 22:51:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:37,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:37,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:37,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:37,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (408)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:37,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:37,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:37,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:37,387 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:37,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-11-08 22:51:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:38,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:38,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:38,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:38,614 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:38,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-11-08 22:51:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:38,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:38,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:38,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:38,639 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:38,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-11-08 22:51:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:39,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:39,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:39,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:39,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (410)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:39,867 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:39,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:39,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:39,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:39,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:39,868 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:39,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-11-08 22:51:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:40,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:40,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:40,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:41,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-11-08 22:51:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:41,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:41,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:41,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:41,143 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:41,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-11-08 22:51:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:42,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:42,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:42,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:42,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-11-08 22:51:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:42,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:42,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:42,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:42,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:42,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:42,417 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:42,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-11-08 22:51:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:43,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:43,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:43,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:43,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-11-08 22:51:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:43,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:43,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:43,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:43,497 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:43,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-11-08 22:51:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:44,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:44,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:44,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:44,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-11-08 22:51:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:44,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:44,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:44,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:44,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:44,558 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:44,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-11-08 22:51:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:45,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:45,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:45,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:45,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-11-08 22:51:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:45,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:45,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:45,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:45,659 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:45,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-11-08 22:51:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:46,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:46,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:46,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:46,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-11-08 22:51:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:46,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:46,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:46,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:46,743 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:46,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-11-08 22:51:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:47,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:47,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:47,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:47,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-11-08 22:51:47,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:47,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:47,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:47,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:47,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:47,821 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:47,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-11-08 22:51:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:48,629 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:48,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:48,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:48,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-11-08 22:51:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:48,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:48,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:48,892 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:48,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-11-08 22:51:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:49,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:49,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:49,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:49,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-11-08 22:51:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:49,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:49,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:49,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:49,990 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:49,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-11-08 22:51:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:50,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:50,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:50,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:51,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (420)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:51,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:51,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:51,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:51,149 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:51,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-11-08 22:51:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:52,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:52,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:52,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:52,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:52,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-11-08 22:51:52,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:52,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:52,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:52,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:52,257 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:52,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-11-08 22:51:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:53,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:53,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:53,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:53,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-11-08 22:51:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:53,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:53,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:53,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:53,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:53,440 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:53,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-11-08 22:51:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:54,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:54,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:54,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:54,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:54,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-11-08 22:51:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:54,559 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:54,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:54,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:54,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:54,561 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:54,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-11-08 22:51:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:55,394 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:55,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:55,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:55,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-11-08 22:51:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:55,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:55,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:55,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:55,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:55,661 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:55,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-11-08 22:51:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:56,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:56,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:56,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:56,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (425)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:56,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:56,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:56,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:56,727 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:56,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-11-08 22:51:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:57,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:57,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:57,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:57,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-11-08 22:51:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:57,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:57,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:57,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:57,813 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:57,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-11-08 22:51:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:58,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:58,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:58,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:58,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-11-08 22:51:58,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:58,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:58,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:58,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:58,860 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:58,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-11-08 22:51:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:59,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:59,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:51:59,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:51:59,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-11-08 22:51:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:51:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:51:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:51:59,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:59,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:59,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:59,956 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:59,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-11-08 22:52:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:00,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:00,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:00,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:01,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-11-08 22:52:01,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:01,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:01,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:01,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:01,068 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:01,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-11-08 22:52:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:01,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:01,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:01,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:02,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:02,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (430)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:02,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:02,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:02,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:02,177 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:02,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-11-08 22:52:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:03,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:03,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:03,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:03,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:03,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-11-08 22:52:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:03,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:03,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:03,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:03,312 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:03,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-11-08 22:52:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:04,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:04,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:04,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:04,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-11-08 22:52:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:04,438 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:04,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:04,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:04,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:04,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:04,439 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:04,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-11-08 22:52:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:05,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:05,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:05,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:05,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-11-08 22:52:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:05,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:05,540 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:05,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:05,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:05,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:05,541 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:05,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-11-08 22:52:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:06,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:06,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:06,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:06,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (434)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:06,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:06,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:06,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:06,736 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:06,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-11-08 22:52:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:07,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:07,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:07,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:07,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:07,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (435)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:07,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:07,869 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:07,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:07,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:07,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:07,870 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:07,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-11-08 22:52:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:08,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:08,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:08,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:09,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:09,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-11-08 22:52:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:09,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:09,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:09,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:09,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:09,038 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:09,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-11-08 22:52:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:09,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:09,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:09,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:10,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (437)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:10,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:10,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:10,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:10,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:10,099 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:10,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-11-08 22:52:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:10,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:10,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:10,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:11,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (438)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:11,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:11,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:11,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:11,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:11,225 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:11,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-11-08 22:52:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:12,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:12,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:12,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:12,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-11-08 22:52:12,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:12,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:12,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:12,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:12,325 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:12,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-11-08 22:52:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:13,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:13,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:13,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:13,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-11-08 22:52:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:13,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:13,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:13,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:13,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:13,431 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:13,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-11-08 22:52:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:14,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:14,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:14,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:14,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2024-11-08 22:52:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:14,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:14,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:14,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:14,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:14,792 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:14,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-11-08 22:52:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:15,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:15,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:15,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:15,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2024-11-08 22:52:15,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:15,987 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:15,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:15,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:15,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:15,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:15,988 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:15,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-11-08 22:52:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:16,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:16,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:16,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:17,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-11-08 22:52:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:17,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:17,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:17,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:17,191 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:17,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-11-08 22:52:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:18,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:18,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:18,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:18,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-11-08 22:52:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:18,337 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:18,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:18,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:18,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:18,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:18,338 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:18,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-11-08 22:52:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:19,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:19,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:19,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:19,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-11-08 22:52:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:19,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:19,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:19,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:19,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:19,519 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:19,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-11-08 22:52:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:20,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:20,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:20,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:20,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (446)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:20,679 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:20,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:20,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:20,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:20,680 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:20,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-11-08 22:52:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:21,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:21,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:21,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:21,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-11-08 22:52:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:21,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:21,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:21,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:21,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:21,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:21,817 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:21,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-11-08 22:52:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:22,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:22,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:22,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:23,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2024-11-08 22:52:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:23,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:23,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:23,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:23,092 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:23,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-11-08 22:52:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:24,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:24,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:24,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:24,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-11-08 22:52:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:24,402 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:24,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:24,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:24,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:24,403 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:24,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-11-08 22:52:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:25,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:25,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:25,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:25,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (450)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:25,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:25,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:25,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:25,734 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:25,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-11-08 22:52:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:26,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:27,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-11-08 22:52:27,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:27,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:27,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:27,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:27,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:27,065 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:27,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-11-08 22:52:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:28,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:28,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-11-08 22:52:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:28,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:28,368 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:28,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:28,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:28,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:28,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:28,370 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:28,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-11-08 22:52:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:29,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:29,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:29,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (453)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:29,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:29,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:29,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:29,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:29,669 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:29,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-11-08 22:52:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:30,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:30,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2024-11-08 22:52:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:30,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:30,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:30,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:30,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:30,815 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:30,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-11-08 22:52:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:31,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:31,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:32,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:32,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2024-11-08 22:52:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:32,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:32,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:32,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:32,027 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:32,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-11-08 22:52:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:32,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:32,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:33,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2024-11-08 22:52:33,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:33,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:33,198 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:33,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:33,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:33,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:33,199 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:33,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-11-08 22:52:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:34,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:34,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2024-11-08 22:52:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:34,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:34,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:34,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:34,312 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:34,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-11-08 22:52:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:35,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:35,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-11-08 22:52:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:35,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:35,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:35,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:35,478 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:35,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-11-08 22:52:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:36,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:36,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:36,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:36,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2024-11-08 22:52:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:36,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:36,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:36,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:36,616 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:36,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-11-08 22:52:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:37,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:37,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (460)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:37,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:37,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:37,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:37,817 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:37,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-11-08 22:52:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:38,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:38,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:38,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (461)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:38,997 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:38,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:38,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:38,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:38,998 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:38,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-11-08 22:52:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:39,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:39,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:39,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:40,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:40,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (462)] Ended with exit code 0 [2024-11-08 22:52:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:40,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:40,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:40,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:40,164 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:40,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2024-11-08 22:52:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:41,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:41,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:41,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:41,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (463)] Ended with exit code 0 [2024-11-08 22:52:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:41,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:41,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:41,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:41,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:41,356 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:41,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2024-11-08 22:52:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:42,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:42,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (464)] Ended with exit code 0 [2024-11-08 22:52:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:42,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:42,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:42,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:42,498 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:42,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2024-11-08 22:52:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:43,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:43,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:43,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (465)] Ended with exit code 0 [2024-11-08 22:52:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:43,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:43,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:43,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:43,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:43,668 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:43,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2024-11-08 22:52:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:44,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:44,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:44,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:44,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (466)] Ended with exit code 0 [2024-11-08 22:52:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:44,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:44,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:44,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:44,897 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:44,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2024-11-08 22:52:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:45,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:45,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:45,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:46,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (467)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:46,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:46,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:46,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:46,039 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:46,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2024-11-08 22:52:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:47,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:47,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:47,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:47,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (468)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:47,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:47,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:47,417 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:47,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:47,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:47,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:47,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:47,420 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:47,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2024-11-08 22:52:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:48,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:48,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (469)] Ended with exit code 0 [2024-11-08 22:52:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:48,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:48,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:48,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:48,680 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:48,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2024-11-08 22:52:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:49,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:49,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:49,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (470)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:49,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:49,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:49,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:49,888 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:49,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2024-11-08 22:52:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:50,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:50,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:51,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (471)] Ended with exit code 0 [2024-11-08 22:52:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:51,091 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:51,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:51,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:51,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:51,093 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:51,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2024-11-08 22:52:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:52,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:52,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:52,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:52,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (472)] Ended with exit code 0 [2024-11-08 22:52:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:52,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:52,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:52,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:52,264 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:52,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2024-11-08 22:52:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:53,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:53,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (473)] Ended with exit code 0 [2024-11-08 22:52:53,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:53,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:53,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:53,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:53,447 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:53,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2024-11-08 22:52:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:54,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:54,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:54,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:54,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (474)] Ended with exit code 0 [2024-11-08 22:52:54,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:54,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:54,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:54,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:54,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:54,628 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:54,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2024-11-08 22:52:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:55,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:55,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (475)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:55,813 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:55,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:55,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:55,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:55,814 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:55,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2024-11-08 22:52:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:56,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:56,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:56,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:57,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (476)] Ended with exit code 0 [2024-11-08 22:52:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:57,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:57,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:57,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:57,020 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:57,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2024-11-08 22:52:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:57,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:57,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:57,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:58,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (477)] Ended with exit code 0 [2024-11-08 22:52:58,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:58,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:58,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:58,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:58,171 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:58,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2024-11-08 22:52:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:59,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:59,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:59,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:52:59,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (478)] Ended with exit code 0 [2024-11-08 22:52:59,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:52:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:52:59,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:52:59,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:59,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:59,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:59,351 INFO L229 MonitoredProcess]: Starting monitored process 479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:59,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (479)] Waiting until timeout for monitored process [2024-11-08 22:53:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:00,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:00,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:00,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:00,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (479)] Ended with exit code 0 [2024-11-08 22:53:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:00,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:00,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:00,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:00,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:00,543 INFO L229 MonitoredProcess]: Starting monitored process 480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:00,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (480)] Waiting until timeout for monitored process [2024-11-08 22:53:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:01,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:01,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:01,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:01,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (480)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:01,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:01,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:01,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:01,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:01,733 INFO L229 MonitoredProcess]: Starting monitored process 481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:01,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (481)] Waiting until timeout for monitored process [2024-11-08 22:53:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:02,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:02,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:02,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:03,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (481)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:03,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:03,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:03,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:03,031 INFO L229 MonitoredProcess]: Starting monitored process 482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:03,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (482)] Waiting until timeout for monitored process [2024-11-08 22:53:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:03,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:04,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (482)] Ended with exit code 0 [2024-11-08 22:53:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:04,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:04,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:04,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:04,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:04,191 INFO L229 MonitoredProcess]: Starting monitored process 483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:04,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (483)] Waiting until timeout for monitored process [2024-11-08 22:53:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:05,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:05,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:05,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:05,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (483)] Ended with exit code 0 [2024-11-08 22:53:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:05,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:05,680 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:05,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:05,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:05,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:05,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:05,681 INFO L229 MonitoredProcess]: Starting monitored process 484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:05,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (484)] Waiting until timeout for monitored process [2024-11-08 22:53:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:06,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:06,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (484)] Ended with exit code 0 [2024-11-08 22:53:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:06,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:06,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:06,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:06,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:06,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:06,897 INFO L229 MonitoredProcess]: Starting monitored process 485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:06,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (485)] Waiting until timeout for monitored process [2024-11-08 22:53:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:07,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:07,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:07,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:08,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (485)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:08,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:08,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:08,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:08,119 INFO L229 MonitoredProcess]: Starting monitored process 486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:08,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (486)] Waiting until timeout for monitored process [2024-11-08 22:53:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:09,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:09,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:09,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:09,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (486)] Ended with exit code 0 [2024-11-08 22:53:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:09,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:09,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:09,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:09,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:09,364 INFO L229 MonitoredProcess]: Starting monitored process 487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:09,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (487)] Waiting until timeout for monitored process [2024-11-08 22:53:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:10,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:10,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:10,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:10,562 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:10,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (487)] Ended with exit code 0 [2024-11-08 22:53:10,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:10,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:10,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:10,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:10,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:10,580 INFO L229 MonitoredProcess]: Starting monitored process 488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:10,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (488)] Waiting until timeout for monitored process [2024-11-08 22:53:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:11,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:11,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:11,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:11,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (488)] Ended with exit code 0 [2024-11-08 22:53:11,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:11,784 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:11,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:11,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:11,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:11,786 INFO L229 MonitoredProcess]: Starting monitored process 489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:11,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (489)] Waiting until timeout for monitored process [2024-11-08 22:53:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:12,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:12,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:12,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:12,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (489)] Ended with exit code 0 [2024-11-08 22:53:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:12,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:12,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:12,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:12,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:12,985 INFO L229 MonitoredProcess]: Starting monitored process 490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:12,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (490)] Waiting until timeout for monitored process [2024-11-08 22:53:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:13,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:14,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (490)] Ended with exit code 0 [2024-11-08 22:53:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:14,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:14,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:14,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:14,265 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:14,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2024-11-08 22:53:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:15,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:15,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:15,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (491)] Ended with exit code 0 [2024-11-08 22:53:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:15,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:15,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:15,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:15,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:15,535 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:15,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2024-11-08 22:53:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:16,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:16,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (492)] Ended with exit code 0 [2024-11-08 22:53:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:16,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:16,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:16,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:16,707 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:16,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2024-11-08 22:53:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:17,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:17,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:17,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:17,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2024-11-08 22:53:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:17,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:17,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:17,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:17,914 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:17,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2024-11-08 22:53:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:18,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:18,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:18,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:19,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (494)] Ended with exit code 0 [2024-11-08 22:53:19,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:19,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:19,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:19,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:19,141 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:19,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2024-11-08 22:53:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:20,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:20,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:20,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:20,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (495)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:20,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:20,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:20,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:20,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:20,598 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:20,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2024-11-08 22:53:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:21,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:21,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:21,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:21,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (496)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:21,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:21,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:21,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:21,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:21,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:21,796 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:21,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2024-11-08 22:53:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:22,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:22,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:22,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:23,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2024-11-08 22:53:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:23,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:23,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:23,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:23,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:23,051 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:23,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2024-11-08 22:53:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:24,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:24,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:24,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:24,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (498)] Ended with exit code 0 [2024-11-08 22:53:24,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:24,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:24,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:24,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:24,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:24,270 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:24,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2024-11-08 22:53:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:25,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:25,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:25,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:25,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (499)] Ended with exit code 0 [2024-11-08 22:53:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:25,481 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:25,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:25,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:25,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:25,482 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:25,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2024-11-08 22:53:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:26,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:26,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:26,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:26,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (500)] Ended with exit code 0 [2024-11-08 22:53:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:26,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:26,663 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:26,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:26,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:26,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:26,664 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:26,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2024-11-08 22:53:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:27,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:27,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:27,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:27,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (501)] Ended with exit code 0 [2024-11-08 22:53:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:27,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:27,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:27,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:27,919 INFO L229 MonitoredProcess]: Starting monitored process 502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:27,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (502)] Waiting until timeout for monitored process [2024-11-08 22:53:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:28,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:28,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:28,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:29,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (502)] Ended with exit code 0 [2024-11-08 22:53:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:29,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:29,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:29,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:29,099 INFO L229 MonitoredProcess]: Starting monitored process 503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:29,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (503)] Waiting until timeout for monitored process [2024-11-08 22:53:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:30,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:30,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:30,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:30,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (503)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:30,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:30,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:30,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:30,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:30,341 INFO L229 MonitoredProcess]: Starting monitored process 504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:30,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (504)] Waiting until timeout for monitored process [2024-11-08 22:53:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:31,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:31,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (504)] Ended with exit code 0 [2024-11-08 22:53:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:31,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:31,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:31,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:31,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:31,547 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:31,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2024-11-08 22:53:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:32,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:32,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (505)] Ended with exit code 0 [2024-11-08 22:53:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:32,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:32,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:32,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:32,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:32,851 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:32,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2024-11-08 22:53:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:33,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:33,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:33,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:34,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (506)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:34,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:34,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:34,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:34,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:34,113 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:34,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2024-11-08 22:53:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:35,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:35,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:35,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:35,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (507)] Ended with exit code 0 [2024-11-08 22:53:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:35,309 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:35,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:35,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:35,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:35,310 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:35,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2024-11-08 22:53:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:36,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:36,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:36,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:36,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2024-11-08 22:53:36,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:36,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:36,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:36,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:36,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:36,567 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:36,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2024-11-08 22:53:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:37,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:37,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:37,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:37,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (509)] Ended with exit code 0 [2024-11-08 22:53:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:37,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:37,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:37,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:37,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:37,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:37,799 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:37,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2024-11-08 22:53:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:38,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:39,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (510)] Ended with exit code 0 [2024-11-08 22:53:39,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:39,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:39,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:39,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:39,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:39,054 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:39,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2024-11-08 22:53:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:40,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:40,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:40,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:40,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (511)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:40,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:40,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:40,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:40,256 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:40,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2024-11-08 22:53:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:41,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:41,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:41,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:41,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (512)] Ended with exit code 0 [2024-11-08 22:53:41,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:41,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:41,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:41,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:41,508 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:41,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2024-11-08 22:53:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:42,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:42,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:42,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:42,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (513)] Ended with exit code 0 [2024-11-08 22:53:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:42,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:42,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:42,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:42,707 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:42,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2024-11-08 22:53:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:43,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:43,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:43,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:44,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:44,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (514)] Ended with exit code 0 [2024-11-08 22:53:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:44,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:44,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:44,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:44,018 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:44,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2024-11-08 22:53:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:44,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:45,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:45,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (515)] Ended with exit code 0 [2024-11-08 22:53:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:45,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:45,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:45,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:45,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:45,247 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:45,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2024-11-08 22:53:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:46,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:46,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:46,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:46,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (516)] Ended with exit code 0 [2024-11-08 22:53:46,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:46,490 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:46,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:46,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:46,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:46,491 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:46,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2024-11-08 22:53:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:47,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:47,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:47,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:47,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:47,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (517)] Ended with exit code 0 [2024-11-08 22:53:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:47,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:47,678 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:47,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:47,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:47,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:47,679 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:47,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2024-11-08 22:53:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:48,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:48,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:48,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:48,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (518)] Ended with exit code 0 [2024-11-08 22:53:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:48,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:48,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:48,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:48,893 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:48,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2024-11-08 22:53:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:49,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:49,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:49,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:50,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (519)] Ended with exit code 0 [2024-11-08 22:53:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:50,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:50,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:50,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:50,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:50,107 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:50,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2024-11-08 22:53:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:51,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:51,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (520)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:51,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:51,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:51,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:51,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:51,347 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:51,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2024-11-08 22:53:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:52,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:52,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:52,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2024-11-08 22:53:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:52,561 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:52,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:52,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:52,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:52,562 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:52,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2024-11-08 22:53:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:53,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:53,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:53,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:53,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (522)] Ended with exit code 0 [2024-11-08 22:53:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:53,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:53,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:53,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:53,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:53,863 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:53,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2024-11-08 22:53:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:54,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:54,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:54,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:55,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (523)] Ended with exit code 0 [2024-11-08 22:53:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:55,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:55,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:55,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:55,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:55,060 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:55,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2024-11-08 22:53:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:56,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:56,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:56,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:56,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2024-11-08 22:53:56,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:56,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:56,325 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:56,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:56,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:56,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:56,327 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:56,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2024-11-08 22:53:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:57,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:57,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:57,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:57,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (525)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:57,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:57,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:57,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:57,504 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:57,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2024-11-08 22:53:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:58,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:58,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:53:58,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:58,677 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:58,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (526)] Ended with exit code 0 [2024-11-08 22:53:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:58,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:58,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:58,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:58,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:58,696 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:58,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2024-11-08 22:53:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:59,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:59,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:53:59,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:53:59,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (527)] Ended with exit code 0 [2024-11-08 22:53:59,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:59,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:53:59,963 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:53:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:53:59,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:59,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:59,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:59,965 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:59,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2024-11-08 22:54:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:00,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:00,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:00,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:01,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (528)] Ended with exit code 0 [2024-11-08 22:54:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:01,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:01,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:01,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:01,210 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:01,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2024-11-08 22:54:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:02,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:02,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (529)] Ended with exit code 0 [2024-11-08 22:54:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:02,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:02,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:02,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:02,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:02,446 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:02,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2024-11-08 22:54:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:03,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:03,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:03,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:03,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (530)] Ended with exit code 0 [2024-11-08 22:54:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:03,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:03,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:03,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:03,768 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:03,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2024-11-08 22:54:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:04,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:04,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:04,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:05,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (531)] Ended with exit code 0 [2024-11-08 22:54:05,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:05,051 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:05,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:05,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:05,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:05,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:05,053 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:05,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2024-11-08 22:54:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:06,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:06,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:06,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:06,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (532)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:06,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:06,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:06,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:06,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:06,285 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:06,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2024-11-08 22:54:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:07,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:07,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:07,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:07,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (533)] Ended with exit code 0 [2024-11-08 22:54:07,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:07,514 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:07,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:07,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:07,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:07,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:07,515 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:07,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process [2024-11-08 22:54:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:08,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:08,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (534)] Ended with exit code 0 [2024-11-08 22:54:08,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:08,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:08,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:08,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:08,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:08,787 INFO L229 MonitoredProcess]: Starting monitored process 535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:08,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (535)] Waiting until timeout for monitored process [2024-11-08 22:54:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:09,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:09,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:09,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:10,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (535)] Ended with exit code 0 [2024-11-08 22:54:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:10,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:10,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:10,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:10,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:10,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:10,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:10,028 INFO L229 MonitoredProcess]: Starting monitored process 536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:10,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (536)] Waiting until timeout for monitored process [2024-11-08 22:54:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:11,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:11,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:11,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:11,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (536)] Ended with exit code 0 [2024-11-08 22:54:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:11,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:11,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:11,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:11,371 INFO L229 MonitoredProcess]: Starting monitored process 537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:11,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (537)] Waiting until timeout for monitored process [2024-11-08 22:54:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:12,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:12,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:12,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:12,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (537)] Ended with exit code 0 [2024-11-08 22:54:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:12,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:12,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:12,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:12,884 INFO L229 MonitoredProcess]: Starting monitored process 538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:12,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (538)] Waiting until timeout for monitored process [2024-11-08 22:54:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:13,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:13,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:13,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:14,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (538)] Ended with exit code 0 [2024-11-08 22:54:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:14,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:14,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:14,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:14,212 INFO L229 MonitoredProcess]: Starting monitored process 539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:14,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (539)] Waiting until timeout for monitored process [2024-11-08 22:54:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:15,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:15,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:15,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:15,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (539)] Ended with exit code 0 [2024-11-08 22:54:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:15,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:15,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:15,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:15,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:15,482 INFO L229 MonitoredProcess]: Starting monitored process 540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:15,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (540)] Waiting until timeout for monitored process [2024-11-08 22:54:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:16,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:16,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:16,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:16,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (540)] Ended with exit code 0 [2024-11-08 22:54:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:16,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:16,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:16,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:16,778 INFO L229 MonitoredProcess]: Starting monitored process 541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:16,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (541)] Waiting until timeout for monitored process [2024-11-08 22:54:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:17,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:17,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:17,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:17,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (541)] Ended with exit code 0 [2024-11-08 22:54:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:17,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:17,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:17,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:17,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:17,984 INFO L229 MonitoredProcess]: Starting monitored process 542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:17,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (542)] Waiting until timeout for monitored process [2024-11-08 22:54:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:19,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:19,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:19,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:19,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (542)] Ended with exit code 0 [2024-11-08 22:54:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:19,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:19,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:19,274 INFO L229 MonitoredProcess]: Starting monitored process 543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:19,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (543)] Waiting until timeout for monitored process [2024-11-08 22:54:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:20,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:20,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:20,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:20,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (543)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:20,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:20,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:20,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:20,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:20,560 INFO L229 MonitoredProcess]: Starting monitored process 544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:20,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (544)] Waiting until timeout for monitored process [2024-11-08 22:54:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:21,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:21,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:21,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:21,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (544)] Ended with exit code 0 [2024-11-08 22:54:21,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:21,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:21,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:21,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:21,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:21,909 INFO L229 MonitoredProcess]: Starting monitored process 545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:21,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (545)] Waiting until timeout for monitored process [2024-11-08 22:54:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:22,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:23,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:23,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:23,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (545)] Ended with exit code 0 [2024-11-08 22:54:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:23,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:23,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:23,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:23,252 INFO L229 MonitoredProcess]: Starting monitored process 546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:23,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (546)] Waiting until timeout for monitored process [2024-11-08 22:54:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:24,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:24,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:24,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:24,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (546)] Ended with exit code 0 [2024-11-08 22:54:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:24,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:24,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:24,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:24,529 INFO L229 MonitoredProcess]: Starting monitored process 547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:24,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (547)] Waiting until timeout for monitored process [2024-11-08 22:54:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:25,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:25,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:25,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:25,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (547)] Ended with exit code 0 [2024-11-08 22:54:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:25,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:25,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:25,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:25,819 INFO L229 MonitoredProcess]: Starting monitored process 548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:25,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (548)] Waiting until timeout for monitored process [2024-11-08 22:54:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:26,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:26,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:26,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:27,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (548)] Ended with exit code 0 [2024-11-08 22:54:27,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:27,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:27,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:27,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:27,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:27,087 INFO L229 MonitoredProcess]: Starting monitored process 549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:27,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (549)] Waiting until timeout for monitored process [2024-11-08 22:54:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:28,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:28,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:28,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:28,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (549)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:28,358 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:28,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:28,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:28,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:28,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:28,359 INFO L229 MonitoredProcess]: Starting monitored process 550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:28,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (550)] Waiting until timeout for monitored process [2024-11-08 22:54:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:29,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:29,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:29,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:29,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (550)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:29,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:29,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:29,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:29,680 INFO L229 MonitoredProcess]: Starting monitored process 551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:29,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (551)] Waiting until timeout for monitored process [2024-11-08 22:54:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:30,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:30,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:30,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:30,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (551)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:30,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:30,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:30,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:30,959 INFO L229 MonitoredProcess]: Starting monitored process 552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:30,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (552)] Waiting until timeout for monitored process [2024-11-08 22:54:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:31,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:32,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:32,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:32,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (552)] Ended with exit code 0 [2024-11-08 22:54:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:32,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:32,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:32,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:32,243 INFO L229 MonitoredProcess]: Starting monitored process 553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:32,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (553)] Waiting until timeout for monitored process [2024-11-08 22:54:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:33,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:33,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:33,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:33,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (553)] Ended with exit code 0 [2024-11-08 22:54:33,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:33,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:33,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:33,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:33,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:33,525 INFO L229 MonitoredProcess]: Starting monitored process 554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:33,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (554)] Waiting until timeout for monitored process [2024-11-08 22:54:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:34,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:34,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (554)] Ended with exit code 0 [2024-11-08 22:54:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:34,793 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:34,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:34,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:34,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:34,794 INFO L229 MonitoredProcess]: Starting monitored process 555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:34,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (555)] Waiting until timeout for monitored process [2024-11-08 22:54:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:35,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:35,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:35,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:36,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (555)] Ended with exit code 0 [2024-11-08 22:54:36,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:36,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:36,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:36,087 INFO L229 MonitoredProcess]: Starting monitored process 556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:36,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (556)] Waiting until timeout for monitored process [2024-11-08 22:54:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:37,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:37,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:37,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:37,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (556)] Ended with exit code 0 [2024-11-08 22:54:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:37,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:37,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:37,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:37,390 INFO L229 MonitoredProcess]: Starting monitored process 557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:37,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (557)] Waiting until timeout for monitored process [2024-11-08 22:54:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:38,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:38,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:38,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:38,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (557)] Ended with exit code 0 [2024-11-08 22:54:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:38,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:38,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:38,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:38,678 INFO L229 MonitoredProcess]: Starting monitored process 558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:38,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (558)] Waiting until timeout for monitored process [2024-11-08 22:54:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:39,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:39,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:39,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:39,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (558)] Ended with exit code 0 [2024-11-08 22:54:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:39,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:39,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:39,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:39,908 INFO L229 MonitoredProcess]: Starting monitored process 559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:39,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (559)] Waiting until timeout for monitored process [2024-11-08 22:54:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:40,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:40,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:40,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:41,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (559)] Ended with exit code 0 [2024-11-08 22:54:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:41,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:41,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:41,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:41,189 INFO L229 MonitoredProcess]: Starting monitored process 560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:41,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (560)] Waiting until timeout for monitored process [2024-11-08 22:54:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:42,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:42,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:42,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:42,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (560)] Ended with exit code 0 [2024-11-08 22:54:42,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:42,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:42,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:42,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:42,509 INFO L229 MonitoredProcess]: Starting monitored process 561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:42,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (561)] Waiting until timeout for monitored process [2024-11-08 22:54:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:43,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:43,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:43,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:43,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (561)] Ended with exit code 0 [2024-11-08 22:54:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:43,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:43,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:43,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:43,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:43,822 INFO L229 MonitoredProcess]: Starting monitored process 562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:43,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (562)] Waiting until timeout for monitored process [2024-11-08 22:54:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:44,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:44,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:44,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:45,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (562)] Ended with exit code 0 [2024-11-08 22:54:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:45,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:45,085 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:45,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:45,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:45,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:45,086 INFO L229 MonitoredProcess]: Starting monitored process 563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:45,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (563)] Waiting until timeout for monitored process [2024-11-08 22:54:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:46,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:46,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:46,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:46,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (563)] Ended with exit code 0 [2024-11-08 22:54:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:46,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:46,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:46,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:46,402 INFO L229 MonitoredProcess]: Starting monitored process 564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:46,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (564)] Waiting until timeout for monitored process [2024-11-08 22:54:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:47,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:47,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:47,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:47,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (564)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:47,706 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:47,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:47,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:47,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:47,707 INFO L229 MonitoredProcess]: Starting monitored process 565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:47,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (565)] Waiting until timeout for monitored process [2024-11-08 22:54:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:48,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:48,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:48,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:48,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (565)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:49,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:49,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:49,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:49,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:49,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:49,002 INFO L229 MonitoredProcess]: Starting monitored process 566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:49,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (566)] Waiting until timeout for monitored process [2024-11-08 22:54:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:50,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:50,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:50,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:50,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (566)] Ended with exit code 0 [2024-11-08 22:54:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:50,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:50,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:50,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:50,310 INFO L229 MonitoredProcess]: Starting monitored process 567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:50,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (567)] Waiting until timeout for monitored process [2024-11-08 22:54:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:51,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:51,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:51,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:51,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (567)] Ended with exit code 0 [2024-11-08 22:54:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:51,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:51,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:51,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:51,614 INFO L229 MonitoredProcess]: Starting monitored process 568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:51,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (568)] Waiting until timeout for monitored process [2024-11-08 22:54:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:52,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:52,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:52,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:52,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (568)] Ended with exit code 0 [2024-11-08 22:54:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:52,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:52,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:52,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:52,967 INFO L229 MonitoredProcess]: Starting monitored process 569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:52,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (569)] Waiting until timeout for monitored process [2024-11-08 22:54:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:54,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:54,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:54,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:54,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (569)] Ended with exit code 0 [2024-11-08 22:54:54,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:54,240 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:54,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:54,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:54,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:54,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:54,241 INFO L229 MonitoredProcess]: Starting monitored process 570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:54,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (570)] Waiting until timeout for monitored process [2024-11-08 22:54:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:55,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:55,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:55,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:55,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (570)] Ended with exit code 0 [2024-11-08 22:54:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:55,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:55,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:55,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:55,539 INFO L229 MonitoredProcess]: Starting monitored process 571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:55,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (571)] Waiting until timeout for monitored process [2024-11-08 22:54:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:56,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:56,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:56,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:56,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (571)] Ended with exit code 0 [2024-11-08 22:54:56,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:56,818 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:56,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:56,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:56,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:56,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:56,819 INFO L229 MonitoredProcess]: Starting monitored process 572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:56,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (572)] Waiting until timeout for monitored process [2024-11-08 22:54:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:57,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:57,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:57,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:58,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (572)] Ended with exit code 0 [2024-11-08 22:54:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:58,100 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:58,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:58,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:58,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:58,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:58,101 INFO L229 MonitoredProcess]: Starting monitored process 573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:58,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (573)] Waiting until timeout for monitored process [2024-11-08 22:54:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:59,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:59,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:54:59,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:54:59,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (573)] Ended with exit code 0 [2024-11-08 22:54:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:54:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:54:59,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:54:59,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:59,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:59,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:59,456 INFO L229 MonitoredProcess]: Starting monitored process 574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:59,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (574)] Waiting until timeout for monitored process [2024-11-08 22:55:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:00,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:00,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:00,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:00,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (574)] Ended with exit code 0 [2024-11-08 22:55:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:00,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:00,760 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:00,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:00,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:00,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:00,761 INFO L229 MonitoredProcess]: Starting monitored process 575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:00,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (575)] Waiting until timeout for monitored process [2024-11-08 22:55:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:01,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:01,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:01,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:02,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (575)] Ended with exit code 0 [2024-11-08 22:55:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:02,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:02,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:02,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:02,071 INFO L229 MonitoredProcess]: Starting monitored process 576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:02,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (576)] Waiting until timeout for monitored process [2024-11-08 22:55:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:03,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:03,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:03,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:03,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (576)] Ended with exit code 0 [2024-11-08 22:55:03,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:03,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:03,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:03,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:03,405 INFO L229 MonitoredProcess]: Starting monitored process 577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:03,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (577)] Waiting until timeout for monitored process [2024-11-08 22:55:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:04,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:04,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:04,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:04,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:04,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (577)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:04,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:04,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:04,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:04,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:04,803 INFO L229 MonitoredProcess]: Starting monitored process 578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:04,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (578)] Waiting until timeout for monitored process [2024-11-08 22:55:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:05,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:05,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:05,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:06,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (578)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:06,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:06,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:06,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:06,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:06,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:06,145 INFO L229 MonitoredProcess]: Starting monitored process 579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:06,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (579)] Waiting until timeout for monitored process [2024-11-08 22:55:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:07,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:07,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:55:07,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:07,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (579)] Ended with exit code 0 [2024-11-08 22:55:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:07,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:07,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:07,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:07,471 INFO L229 MonitoredProcess]: Starting monitored process 580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:07,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (580)] Waiting until timeout for monitored process [2024-11-08 22:55:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:08,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:08,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:08,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:08,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (580)] Ended with exit code 0 [2024-11-08 22:55:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:08,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:08,768 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:08,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:08,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:08,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:08,769 INFO L229 MonitoredProcess]: Starting monitored process 581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:08,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (581)] Waiting until timeout for monitored process [2024-11-08 22:55:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:09,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:09,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:09,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:10,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:10,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (581)] Ended with exit code 0 [2024-11-08 22:55:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:10,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:10,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:10,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:10,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:10,109 INFO L229 MonitoredProcess]: Starting monitored process 582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:10,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (582)] Waiting until timeout for monitored process [2024-11-08 22:55:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:11,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:11,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:11,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:11,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (582)] Ended with exit code 0 [2024-11-08 22:55:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:11,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:11,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:11,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:11,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:11,442 INFO L229 MonitoredProcess]: Starting monitored process 583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:11,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (583)] Waiting until timeout for monitored process [2024-11-08 22:55:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:12,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:12,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:12,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:12,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (583)] Ended with exit code 0 [2024-11-08 22:55:12,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:12,807 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:12,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:12,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:12,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:12,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:12,808 INFO L229 MonitoredProcess]: Starting monitored process 584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:12,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (584)] Waiting until timeout for monitored process [2024-11-08 22:55:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:13,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:13,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:13,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:14,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (584)] Ended with exit code 0 [2024-11-08 22:55:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:14,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:14,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:14,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:14,154 INFO L229 MonitoredProcess]: Starting monitored process 585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:14,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (585)] Waiting until timeout for monitored process [2024-11-08 22:55:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:15,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:15,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:15,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:15,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (585)] Ended with exit code 0 [2024-11-08 22:55:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:15,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:15,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:15,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:15,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:15,511 INFO L229 MonitoredProcess]: Starting monitored process 586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:15,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (586)] Waiting until timeout for monitored process [2024-11-08 22:55:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:16,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:16,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:16,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:16,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (586)] Ended with exit code 0 [2024-11-08 22:55:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:16,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:16,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:16,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:16,869 INFO L229 MonitoredProcess]: Starting monitored process 587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:16,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (587)] Waiting until timeout for monitored process [2024-11-08 22:55:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:17,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:17,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:17,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:18,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (587)] Ended with exit code 0 [2024-11-08 22:55:18,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:18,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:18,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:18,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:18,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:18,231 INFO L229 MonitoredProcess]: Starting monitored process 588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:18,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (588)] Waiting until timeout for monitored process [2024-11-08 22:55:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:19,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:19,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:19,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:19,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (588)] Ended with exit code 0 [2024-11-08 22:55:19,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:19,536 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:19,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:19,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:19,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:19,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:19,537 INFO L229 MonitoredProcess]: Starting monitored process 589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:19,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (589)] Waiting until timeout for monitored process [2024-11-08 22:55:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:20,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:20,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:20,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:20,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (589)] Ended with exit code 0 [2024-11-08 22:55:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:20,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:20,877 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:20,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:20,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:20,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:20,878 INFO L229 MonitoredProcess]: Starting monitored process 590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:20,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (590)] Waiting until timeout for monitored process [2024-11-08 22:55:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:21,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:21,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:21,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:22,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (590)] Ended with exit code 0 [2024-11-08 22:55:22,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:22,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:22,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:22,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:22,235 INFO L229 MonitoredProcess]: Starting monitored process 591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:22,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (591)] Waiting until timeout for monitored process [2024-11-08 22:55:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:23,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:23,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:23,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:23,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (591)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:23,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:23,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:23,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:23,618 INFO L229 MonitoredProcess]: Starting monitored process 592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:23,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (592)] Waiting until timeout for monitored process [2024-11-08 22:55:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:24,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:24,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:24,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:24,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (592)] Ended with exit code 0 [2024-11-08 22:55:24,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:24,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:24,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:24,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:24,928 INFO L229 MonitoredProcess]: Starting monitored process 593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:24,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (593)] Waiting until timeout for monitored process [2024-11-08 22:55:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:26,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:26,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:26,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:26,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (593)] Ended with exit code 0 [2024-11-08 22:55:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:26,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:26,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:26,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:26,240 INFO L229 MonitoredProcess]: Starting monitored process 594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:26,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (594)] Waiting until timeout for monitored process [2024-11-08 22:55:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:27,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:27,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:27,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:27,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:27,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (594)] Ended with exit code 0 [2024-11-08 22:55:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:27,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:27,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:27,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:27,551 INFO L229 MonitoredProcess]: Starting monitored process 595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:27,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (595)] Waiting until timeout for monitored process [2024-11-08 22:55:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:28,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:28,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:28,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:28,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (595)] Ended with exit code 0 [2024-11-08 22:55:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:28,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:28,898 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:28,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:28,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:28,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:28,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:28,900 INFO L229 MonitoredProcess]: Starting monitored process 596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:28,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (596)] Waiting until timeout for monitored process [2024-11-08 22:55:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:29,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:30,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:30,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:30,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (596)] Ended with exit code 0 [2024-11-08 22:55:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:30,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:30,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:30,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:30,220 INFO L229 MonitoredProcess]: Starting monitored process 597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:30,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (597)] Waiting until timeout for monitored process [2024-11-08 22:55:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:31,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:31,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:31,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:31,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (597)] Ended with exit code 0 [2024-11-08 22:55:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:31,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:31,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:31,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:31,551 INFO L229 MonitoredProcess]: Starting monitored process 598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:31,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (598)] Waiting until timeout for monitored process [2024-11-08 22:55:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:32,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:32,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:32,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:32,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:32,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (598)] Ended with exit code 0 [2024-11-08 22:55:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:32,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:32,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:32,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:32,940 INFO L229 MonitoredProcess]: Starting monitored process 599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:32,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (599)] Waiting until timeout for monitored process [2024-11-08 22:55:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:34,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:34,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:34,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:34,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (599)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:34,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:34,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:34,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:34,306 INFO L229 MonitoredProcess]: Starting monitored process 600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:34,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (600)] Waiting until timeout for monitored process [2024-11-08 22:55:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:35,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:35,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:35,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:35,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (600)] Ended with exit code 0 [2024-11-08 22:55:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:35,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:35,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:35,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:35,672 INFO L229 MonitoredProcess]: Starting monitored process 601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:35,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (601)] Waiting until timeout for monitored process [2024-11-08 22:55:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:36,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:36,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:36,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:36,965 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:36,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (601)] Ended with exit code 0 [2024-11-08 22:55:36,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:36,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:36,983 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:36,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:36,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:36,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:36,984 INFO L229 MonitoredProcess]: Starting monitored process 602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:36,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (602)] Waiting until timeout for monitored process [2024-11-08 22:55:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:38,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:38,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:38,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:38,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (602)] Ended with exit code 0 [2024-11-08 22:55:38,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:38,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:38,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:38,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:38,352 INFO L229 MonitoredProcess]: Starting monitored process 603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:38,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (603)] Waiting until timeout for monitored process [2024-11-08 22:55:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:39,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:39,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:39,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:39,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (603)] Ended with exit code 0 [2024-11-08 22:55:39,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:39,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:39,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:39,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:39,744 INFO L229 MonitoredProcess]: Starting monitored process 604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:39,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (604)] Waiting until timeout for monitored process [2024-11-08 22:55:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:40,850 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:40,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:40,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:41,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (604)] Ended with exit code 0 [2024-11-08 22:55:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:41,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:41,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:41,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:41,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:41,112 INFO L229 MonitoredProcess]: Starting monitored process 605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:41,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (605)] Waiting until timeout for monitored process [2024-11-08 22:55:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:42,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:42,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:42,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:42,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (605)] Ended with exit code 0 [2024-11-08 22:55:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:42,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:42,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:42,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:42,489 INFO L229 MonitoredProcess]: Starting monitored process 606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:42,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (606)] Waiting until timeout for monitored process [2024-11-08 22:55:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:43,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:43,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:43,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:43,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (606)] Ended with exit code 0 [2024-11-08 22:55:43,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:43,922 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:43,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:43,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:43,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:43,923 INFO L229 MonitoredProcess]: Starting monitored process 607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:43,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (607)] Waiting until timeout for monitored process [2024-11-08 22:55:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:45,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:45,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:45,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:45,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (607)] Ended with exit code 0 [2024-11-08 22:55:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:45,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:45,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:45,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:45,325 INFO L229 MonitoredProcess]: Starting monitored process 608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:45,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (608)] Waiting until timeout for monitored process [2024-11-08 22:55:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:46,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:46,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:46,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:46,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (608)] Ended with exit code 0 [2024-11-08 22:55:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:46,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:46,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:46,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:46,721 INFO L229 MonitoredProcess]: Starting monitored process 609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:46,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (609)] Waiting until timeout for monitored process [2024-11-08 22:55:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:47,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:47,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:47,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:48,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (609)] Ended with exit code 0 [2024-11-08 22:55:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:48,112 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:48,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:48,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:48,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:48,113 INFO L229 MonitoredProcess]: Starting monitored process 610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:48,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (610)] Waiting until timeout for monitored process [2024-11-08 22:55:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:49,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:49,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:49,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:49,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (610)] Ended with exit code 0 [2024-11-08 22:55:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:49,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:49,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:49,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:49,454 INFO L229 MonitoredProcess]: Starting monitored process 611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:49,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (611)] Waiting until timeout for monitored process [2024-11-08 22:55:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:50,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:50,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:50,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:50,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (611)] Ended with exit code 0 [2024-11-08 22:55:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:50,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:50,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:50,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:50,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:50,809 INFO L229 MonitoredProcess]: Starting monitored process 612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:50,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (612)] Waiting until timeout for monitored process [2024-11-08 22:55:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:51,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:51,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:51,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:52,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (612)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:52,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:52,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:52,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:52,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:52,158 INFO L229 MonitoredProcess]: Starting monitored process 613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:52,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (613)] Waiting until timeout for monitored process [2024-11-08 22:55:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:53,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:53,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:53,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:53,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (613)] Ended with exit code 0 [2024-11-08 22:55:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:53,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:53,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:53,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:53,497 INFO L229 MonitoredProcess]: Starting monitored process 614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:53,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (614)] Waiting until timeout for monitored process [2024-11-08 22:55:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:54,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:54,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:54,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:54,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (614)] Ended with exit code 0 [2024-11-08 22:55:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:54,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:54,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:54,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:54,858 INFO L229 MonitoredProcess]: Starting monitored process 615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:54,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (615)] Waiting until timeout for monitored process [2024-11-08 22:55:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:55,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:55,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:55,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:56,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (615)] Ended with exit code 0 [2024-11-08 22:55:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:56,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:56,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:56,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:56,197 INFO L229 MonitoredProcess]: Starting monitored process 616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:56,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (616)] Waiting until timeout for monitored process [2024-11-08 22:55:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:57,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:57,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:57,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:57,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (616)] Ended with exit code 0 [2024-11-08 22:55:57,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:57,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:57,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:57,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:57,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:57,536 INFO L229 MonitoredProcess]: Starting monitored process 617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:57,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (617)] Waiting until timeout for monitored process [2024-11-08 22:55:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:58,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:58,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:55:58,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:58,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:55:58,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (617)] Ended with exit code 0 [2024-11-08 22:55:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:55:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:55:58,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:55:58,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:58,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:58,889 INFO L229 MonitoredProcess]: Starting monitored process 618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:58,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (618)] Waiting until timeout for monitored process [2024-11-08 22:56:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:00,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:00,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:00,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:00,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (618)] Ended with exit code 0 [2024-11-08 22:56:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:00,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:00,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:00,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:00,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:00,276 INFO L229 MonitoredProcess]: Starting monitored process 619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:00,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (619)] Waiting until timeout for monitored process [2024-11-08 22:56:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:01,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:01,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:01,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:01,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (619)] Ended with exit code 0 [2024-11-08 22:56:01,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:01,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:01,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:01,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:01,607 INFO L229 MonitoredProcess]: Starting monitored process 620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:01,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (620)] Waiting until timeout for monitored process [2024-11-08 22:56:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:02,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:02,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:02,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:02,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:03,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (620)] Ended with exit code 0 [2024-11-08 22:56:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:03,011 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:03,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:03,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:03,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:03,013 INFO L229 MonitoredProcess]: Starting monitored process 621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:03,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (621)] Waiting until timeout for monitored process [2024-11-08 22:56:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:04,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:04,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:04,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:04,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (621)] Ended with exit code 0 [2024-11-08 22:56:04,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:04,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:04,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:04,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:04,389 INFO L229 MonitoredProcess]: Starting monitored process 622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:04,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (622)] Waiting until timeout for monitored process [2024-11-08 22:56:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:05,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:05,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:05,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:05,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (622)] Ended with exit code 0 [2024-11-08 22:56:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:05,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:05,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:05,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:05,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:05,800 INFO L229 MonitoredProcess]: Starting monitored process 623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:05,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (623)] Waiting until timeout for monitored process [2024-11-08 22:56:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:06,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:06,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:06,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:07,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (623)] Ended with exit code 0 [2024-11-08 22:56:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:07,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:07,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:07,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:07,151 INFO L229 MonitoredProcess]: Starting monitored process 624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:07,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (624)] Waiting until timeout for monitored process [2024-11-08 22:56:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:08,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:08,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:08,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:08,489 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:08,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (624)] Ended with exit code 0 [2024-11-08 22:56:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:08,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:08,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:08,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:08,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:08,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:08,510 INFO L229 MonitoredProcess]: Starting monitored process 625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:08,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (625)] Waiting until timeout for monitored process [2024-11-08 22:56:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:09,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:09,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:09,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:09,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:09,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (625)] Ended with exit code 0 [2024-11-08 22:56:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:09,918 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:09,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:09,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:09,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:09,920 INFO L229 MonitoredProcess]: Starting monitored process 626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:09,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (626)] Waiting until timeout for monitored process [2024-11-08 22:56:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:11,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:11,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:11,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:11,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (626)] Ended with exit code 0 [2024-11-08 22:56:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:11,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:11,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:11,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:11,292 INFO L229 MonitoredProcess]: Starting monitored process 627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:11,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (627)] Waiting until timeout for monitored process [2024-11-08 22:56:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:12,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:12,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:12,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:12,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (627)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:12,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:12,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:12,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:12,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:12,694 INFO L229 MonitoredProcess]: Starting monitored process 628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:12,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (628)] Waiting until timeout for monitored process [2024-11-08 22:56:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:13,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:13,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:13,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:14,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (628)] Ended with exit code 0 [2024-11-08 22:56:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:14,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:14,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:14,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:14,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:14,113 INFO L229 MonitoredProcess]: Starting monitored process 629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:14,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (629)] Waiting until timeout for monitored process [2024-11-08 22:56:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:15,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:15,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:15,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:15,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:15,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (629)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:15,477 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:15,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:15,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:15,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:15,479 INFO L229 MonitoredProcess]: Starting monitored process 630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:15,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (630)] Waiting until timeout for monitored process [2024-11-08 22:56:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:16,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:16,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:16,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:16,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (630)] Ended with exit code 0 [2024-11-08 22:56:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:16,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:16,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:16,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:16,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:16,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:16,882 INFO L229 MonitoredProcess]: Starting monitored process 631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:16,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (631)] Waiting until timeout for monitored process [2024-11-08 22:56:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:18,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:18,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:18,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:18,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (631)] Ended with exit code 0 [2024-11-08 22:56:18,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:18,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:18,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:18,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:18,309 INFO L229 MonitoredProcess]: Starting monitored process 632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:18,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (632)] Waiting until timeout for monitored process [2024-11-08 22:56:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:19,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:19,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:19,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:19,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:19,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (632)] Ended with exit code 0 [2024-11-08 22:56:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:19,713 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:19,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:19,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:19,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:19,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:19,714 INFO L229 MonitoredProcess]: Starting monitored process 633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:19,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (633)] Waiting until timeout for monitored process [2024-11-08 22:56:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:20,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:20,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:20,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:21,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (633)] Ended with exit code 0 [2024-11-08 22:56:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:21,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:21,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:21,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:21,131 INFO L229 MonitoredProcess]: Starting monitored process 634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:21,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (634)] Waiting until timeout for monitored process [2024-11-08 22:56:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:22,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:22,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:22,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:22,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (634)] Ended with exit code 0 [2024-11-08 22:56:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:22,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:22,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:22,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:22,556 INFO L229 MonitoredProcess]: Starting monitored process 635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:22,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (635)] Waiting until timeout for monitored process [2024-11-08 22:56:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:23,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:23,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:23,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:23,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (635)] Ended with exit code 0 [2024-11-08 22:56:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:23,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:23,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:23,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:23,988 INFO L229 MonitoredProcess]: Starting monitored process 636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:23,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (636)] Waiting until timeout for monitored process [2024-11-08 22:56:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:25,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:25,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:25,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:25,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (636)] Ended with exit code 0 [2024-11-08 22:56:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:25,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:25,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:25,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:25,397 INFO L229 MonitoredProcess]: Starting monitored process 637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:25,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (637)] Waiting until timeout for monitored process [2024-11-08 22:56:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:26,548 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:26,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:26,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:26,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (637)] Ended with exit code 0 [2024-11-08 22:56:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:26,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:26,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:26,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:26,800 INFO L229 MonitoredProcess]: Starting monitored process 638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:26,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (638)] Waiting until timeout for monitored process [2024-11-08 22:56:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:27,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:27,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:27,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:28,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:28,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (638)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:28,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:28,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:28,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:28,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:28,172 INFO L229 MonitoredProcess]: Starting monitored process 639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:28,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (639)] Waiting until timeout for monitored process [2024-11-08 22:56:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:29,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:29,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:29,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:29,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (639)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:29,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:29,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:29,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:29,585 INFO L229 MonitoredProcess]: Starting monitored process 640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:29,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (640)] Waiting until timeout for monitored process [2024-11-08 22:56:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:30,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:30,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:30,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:30,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:31,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (640)] Ended with exit code 0 [2024-11-08 22:56:31,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:31,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:31,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:31,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:31,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:31,010 INFO L229 MonitoredProcess]: Starting monitored process 641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:31,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (641)] Waiting until timeout for monitored process [2024-11-08 22:56:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:32,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:32,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:32,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:32,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (641)] Ended with exit code 0 [2024-11-08 22:56:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:32,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:32,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:32,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:32,396 INFO L229 MonitoredProcess]: Starting monitored process 642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:32,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (642)] Waiting until timeout for monitored process [2024-11-08 22:56:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:33,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:33,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:33,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:33,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:33,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (642)] Ended with exit code 0 [2024-11-08 22:56:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:33,890 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:33,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:33,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:33,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:33,891 INFO L229 MonitoredProcess]: Starting monitored process 643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:33,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (643)] Waiting until timeout for monitored process [2024-11-08 22:56:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:35,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:35,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:35,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:35,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (643)] Ended with exit code 0 [2024-11-08 22:56:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:35,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:35,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:35,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:35,294 INFO L229 MonitoredProcess]: Starting monitored process 644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:35,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (644)] Waiting until timeout for monitored process [2024-11-08 22:56:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:36,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:36,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:36,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:36,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (644)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:36,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:36,702 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:36,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:36,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:36,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:36,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:36,703 INFO L229 MonitoredProcess]: Starting monitored process 645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:36,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (645)] Waiting until timeout for monitored process [2024-11-08 22:56:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:37,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:37,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:37,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:38,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (645)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:38,118 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:38,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:38,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:38,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:38,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:38,120 INFO L229 MonitoredProcess]: Starting monitored process 646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:38,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (646)] Waiting until timeout for monitored process [2024-11-08 22:56:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:39,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:39,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:39,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:39,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (646)] Ended with exit code 0 [2024-11-08 22:56:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:39,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:39,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:39,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:39,538 INFO L229 MonitoredProcess]: Starting monitored process 647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:39,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (647)] Waiting until timeout for monitored process [2024-11-08 22:56:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:40,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:40,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:40,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:40,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (647)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:40,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:40,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:40,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:40,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:40,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:40,923 INFO L229 MonitoredProcess]: Starting monitored process 648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:40,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (648)] Waiting until timeout for monitored process [2024-11-08 22:56:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:42,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:42,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:42,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:42,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (648)] Ended with exit code 0 [2024-11-08 22:56:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:42,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:42,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:42,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:42,317 INFO L229 MonitoredProcess]: Starting monitored process 649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:42,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (649)] Waiting until timeout for monitored process [2024-11-08 22:56:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:43,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:43,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:43,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:43,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (649)] Ended with exit code 0 [2024-11-08 22:56:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:43,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:43,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:43,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:43,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:43,759 INFO L229 MonitoredProcess]: Starting monitored process 650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:43,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (650)] Waiting until timeout for monitored process [2024-11-08 22:56:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:44,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:44,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:44,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:45,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (650)] Ended with exit code 0 [2024-11-08 22:56:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:45,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:45,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:45,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:45,185 INFO L229 MonitoredProcess]: Starting monitored process 651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:45,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (651)] Waiting until timeout for monitored process [2024-11-08 22:56:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:46,351 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:46,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:46,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:46,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (651)] Ended with exit code 0 [2024-11-08 22:56:46,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:46,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:46,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:46,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:46,618 INFO L229 MonitoredProcess]: Starting monitored process 652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:46,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (652)] Waiting until timeout for monitored process [2024-11-08 22:56:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:47,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:47,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:47,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:47,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:48,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (652)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:48,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:48,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:48,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:48,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:48,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:48,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:48,024 INFO L229 MonitoredProcess]: Starting monitored process 653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:48,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (653)] Waiting until timeout for monitored process [2024-11-08 22:56:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:49,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:49,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:49,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:49,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (653)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:49,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:49,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:49,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:49,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:49,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:49,423 INFO L229 MonitoredProcess]: Starting monitored process 654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:49,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (654)] Waiting until timeout for monitored process [2024-11-08 22:56:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:50,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:50,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:50,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:50,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (654)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:50,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:50,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:50,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:50,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:50,859 INFO L229 MonitoredProcess]: Starting monitored process 655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:50,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (655)] Waiting until timeout for monitored process [2024-11-08 22:56:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:52,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:52,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:52,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:52,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (655)] Ended with exit code 0 [2024-11-08 22:56:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:52,272 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:52,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:52,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:52,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:52,273 INFO L229 MonitoredProcess]: Starting monitored process 656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:52,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (656)] Waiting until timeout for monitored process [2024-11-08 22:56:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:53,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:53,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:53,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:53,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (656)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:53,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:53,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:53,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:53,676 INFO L229 MonitoredProcess]: Starting monitored process 657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:53,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (657)] Waiting until timeout for monitored process [2024-11-08 22:56:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:54,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:54,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:54,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:55,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (657)] Ended with exit code 0 [2024-11-08 22:56:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:55,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:55,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:55,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:55,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:55,100 INFO L229 MonitoredProcess]: Starting monitored process 658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:55,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (658)] Waiting until timeout for monitored process [2024-11-08 22:56:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:56,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:56,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:56,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:56,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (658)] Ended with exit code 0 [2024-11-08 22:56:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:56,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:56,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:56,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:56,523 INFO L229 MonitoredProcess]: Starting monitored process 659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:56,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (659)] Waiting until timeout for monitored process [2024-11-08 22:56:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:57,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:57,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:57,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:57,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (659)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:57,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:57,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:57,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:57,966 INFO L229 MonitoredProcess]: Starting monitored process 660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:57,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (660)] Waiting until timeout for monitored process [2024-11-08 22:56:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:59,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:59,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:56:59,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:56:59,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (660)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:56:59,376 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:56:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:56:59,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:59,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:59,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:59,377 INFO L229 MonitoredProcess]: Starting monitored process 661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:59,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (661)] Waiting until timeout for monitored process [2024-11-08 22:57:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:00,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:00,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:00,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:00,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (661)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:00,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:00,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:00,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:00,792 INFO L229 MonitoredProcess]: Starting monitored process 662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:00,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (662)] Waiting until timeout for monitored process [2024-11-08 22:57:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:01,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:02,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:02,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:02,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (662)] Ended with exit code 0 [2024-11-08 22:57:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:02,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:02,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:02,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:02,235 INFO L229 MonitoredProcess]: Starting monitored process 663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:02,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (663)] Waiting until timeout for monitored process [2024-11-08 22:57:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:03,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:03,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:03,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:03,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:03,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (663)] Ended with exit code 0 [2024-11-08 22:57:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:03,680 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:03,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:03,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:03,681 INFO L229 MonitoredProcess]: Starting monitored process 664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:03,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (664)] Waiting until timeout for monitored process [2024-11-08 22:57:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:04,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:04,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:04,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:05,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (664)] Ended with exit code 0 [2024-11-08 22:57:05,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:05,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:05,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:05,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:05,124 INFO L229 MonitoredProcess]: Starting monitored process 665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:05,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (665)] Waiting until timeout for monitored process [2024-11-08 22:57:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:06,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:06,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:06,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:06,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (665)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:06,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:06,526 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:06,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:06,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:06,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:06,527 INFO L229 MonitoredProcess]: Starting monitored process 666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:06,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (666)] Waiting until timeout for monitored process [2024-11-08 22:57:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:07,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:07,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:07,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:07,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (666)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:07,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:07,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:07,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:07,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:07,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:07,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:07,959 INFO L229 MonitoredProcess]: Starting monitored process 667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:07,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (667)] Waiting until timeout for monitored process [2024-11-08 22:57:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:09,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:09,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:09,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:09,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (667)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:09,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:09,413 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:09,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:09,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:09,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:09,414 INFO L229 MonitoredProcess]: Starting monitored process 668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:09,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (668)] Waiting until timeout for monitored process [2024-11-08 22:57:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:10,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:10,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:10,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:10,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (668)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:10,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:10,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:10,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:10,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:10,882 INFO L229 MonitoredProcess]: Starting monitored process 669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:10,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (669)] Waiting until timeout for monitored process [2024-11-08 22:57:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:12,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:12,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:12,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:12,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (669)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:12,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:12,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:12,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:12,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:12,330 INFO L229 MonitoredProcess]: Starting monitored process 670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:12,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (670)] Waiting until timeout for monitored process [2024-11-08 22:57:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:13,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:13,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:13,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:13,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (670)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:13,778 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:13,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:13,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:13,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:13,780 INFO L229 MonitoredProcess]: Starting monitored process 671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:13,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (671)] Waiting until timeout for monitored process [2024-11-08 22:57:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:15,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:15,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:15,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:15,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (671)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:15,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:15,246 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:15,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:15,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:15,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:15,247 INFO L229 MonitoredProcess]: Starting monitored process 672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:15,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (672)] Waiting until timeout for monitored process [2024-11-08 22:57:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:16,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:16,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:16,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:16,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:16,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (672)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:16,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:16,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:16,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:16,718 INFO L229 MonitoredProcess]: Starting monitored process 673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:16,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (673)] Waiting until timeout for monitored process [2024-11-08 22:57:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:17,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:17,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:57:17,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:18,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (673)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:18,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:18,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:18,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:18,184 INFO L229 MonitoredProcess]: Starting monitored process 674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:18,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (674)] Waiting until timeout for monitored process [2024-11-08 22:57:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:19,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:19,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:19,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:19,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (674)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:19,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:19,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:19,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:19,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:19,626 INFO L229 MonitoredProcess]: Starting monitored process 675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:19,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (675)] Waiting until timeout for monitored process [2024-11-08 22:57:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:20,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:20,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:20,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:21,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (675)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:21,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:21,040 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:21,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:21,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:21,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:21,042 INFO L229 MonitoredProcess]: Starting monitored process 676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:21,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (676)] Waiting until timeout for monitored process [2024-11-08 22:57:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:22,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:22,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:22,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:22,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (676)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:22,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:22,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:22,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:22,497 INFO L229 MonitoredProcess]: Starting monitored process 677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:22,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (677)] Waiting until timeout for monitored process [2024-11-08 22:57:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:23,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:23,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:23,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:23,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (677)] Ended with exit code 0 [2024-11-08 22:57:23,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:23,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:23,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:23,992 INFO L229 MonitoredProcess]: Starting monitored process 678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:23,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (678)] Waiting until timeout for monitored process [2024-11-08 22:57:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:25,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:25,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:25,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:25,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (678)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:25,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:25,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:25,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:25,482 INFO L229 MonitoredProcess]: Starting monitored process 679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:25,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (679)] Waiting until timeout for monitored process [2024-11-08 22:57:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:26,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:26,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:26,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:26,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (679)] Ended with exit code 0 [2024-11-08 22:57:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:26,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:26,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:26,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:26,951 INFO L229 MonitoredProcess]: Starting monitored process 680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:26,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (680)] Waiting until timeout for monitored process [2024-11-08 22:57:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:28,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:28,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:28,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:28,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (680)] Ended with exit code 0 [2024-11-08 22:57:28,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:28,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:28,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:28,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:28,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:28,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:28,421 INFO L229 MonitoredProcess]: Starting monitored process 681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:28,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (681)] Waiting until timeout for monitored process [2024-11-08 22:57:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:29,629 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:29,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:29,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:29,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (681)] Ended with exit code 0 [2024-11-08 22:57:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:29,912 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:29,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:29,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:29,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:29,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:29,913 INFO L229 MonitoredProcess]: Starting monitored process 682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:29,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (682)] Waiting until timeout for monitored process [2024-11-08 22:57:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:31,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:31,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:31,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:31,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:31,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (682)] Ended with exit code 0 [2024-11-08 22:57:31,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:31,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:31,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:31,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:31,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:31,392 INFO L229 MonitoredProcess]: Starting monitored process 683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:31,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (683)] Waiting until timeout for monitored process [2024-11-08 22:57:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:32,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:32,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:32,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:32,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (683)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:32,962 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:32,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:32,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:32,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:32,963 INFO L229 MonitoredProcess]: Starting monitored process 684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:32,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (684)] Waiting until timeout for monitored process [2024-11-08 22:57:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:34,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:34,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:34,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:34,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (684)] Ended with exit code 0 [2024-11-08 22:57:34,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:34,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:34,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:34,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:34,421 INFO L229 MonitoredProcess]: Starting monitored process 685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:34,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (685)] Waiting until timeout for monitored process [2024-11-08 22:57:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:35,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:35,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:35,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:35,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (685)] Ended with exit code 0 [2024-11-08 22:57:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:35,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:35,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:35,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:35,903 INFO L229 MonitoredProcess]: Starting monitored process 686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:35,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (686)] Waiting until timeout for monitored process [2024-11-08 22:57:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:37,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:37,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:37,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:37,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (686)] Ended with exit code 0 [2024-11-08 22:57:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:37,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:37,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:37,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:37,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:37,333 INFO L229 MonitoredProcess]: Starting monitored process 687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:37,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (687)] Waiting until timeout for monitored process [2024-11-08 22:57:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:38,548 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:38,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:38,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:38,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (687)] Ended with exit code 0 [2024-11-08 22:57:38,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:38,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:38,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:38,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:38,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:38,823 INFO L229 MonitoredProcess]: Starting monitored process 688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:38,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (688)] Waiting until timeout for monitored process [2024-11-08 22:57:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:40,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:40,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:40,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:40,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (688)] Ended with exit code 0 [2024-11-08 22:57:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:40,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:40,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:40,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:40,303 INFO L229 MonitoredProcess]: Starting monitored process 689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:40,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (689)] Waiting until timeout for monitored process [2024-11-08 22:57:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:41,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:41,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:41,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:41,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (689)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:41,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:41,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:41,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:41,758 INFO L229 MonitoredProcess]: Starting monitored process 690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:41,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (690)] Waiting until timeout for monitored process [2024-11-08 22:57:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:43,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:43,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:43,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:43,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (690)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:43,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:43,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:43,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:43,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:43,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:43,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:43,262 INFO L229 MonitoredProcess]: Starting monitored process 691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:43,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (691)] Waiting until timeout for monitored process [2024-11-08 22:57:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:44,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:44,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:44,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:44,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (691)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:44,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:44,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:44,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:44,755 INFO L229 MonitoredProcess]: Starting monitored process 692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:44,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (692)] Waiting until timeout for monitored process [2024-11-08 22:57:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:45,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:46,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:46,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:46,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (692)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:46,205 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:46,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:46,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:46,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:46,206 INFO L229 MonitoredProcess]: Starting monitored process 693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:46,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (693)] Waiting until timeout for monitored process [2024-11-08 22:57:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:47,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:47,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:47,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:47,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (693)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:47,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:47,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:47,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:47,717 INFO L229 MonitoredProcess]: Starting monitored process 694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:47,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (694)] Waiting until timeout for monitored process [2024-11-08 22:57:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:48,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:48,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:48,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:49,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (694)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:49,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:49,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:49,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:49,190 INFO L229 MonitoredProcess]: Starting monitored process 695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:49,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (695)] Waiting until timeout for monitored process [2024-11-08 22:57:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:50,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:50,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:50,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:50,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (695)] Ended with exit code 0 [2024-11-08 22:57:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:50,666 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:50,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:50,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:50,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:50,668 INFO L229 MonitoredProcess]: Starting monitored process 696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:50,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (696)] Waiting until timeout for monitored process [2024-11-08 22:57:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:51,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:51,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:51,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:52,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (696)] Ended with exit code 0 [2024-11-08 22:57:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:52,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:52,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:52,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:52,186 INFO L229 MonitoredProcess]: Starting monitored process 697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:52,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (697)] Waiting until timeout for monitored process [2024-11-08 22:57:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:53,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:53,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:53,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:53,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (697)] Ended with exit code 0 [2024-11-08 22:57:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:53,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:53,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:53,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:53,701 INFO L229 MonitoredProcess]: Starting monitored process 698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:53,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (698)] Waiting until timeout for monitored process [2024-11-08 22:57:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:54,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:54,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:54,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:55,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (698)] Ended with exit code 0 [2024-11-08 22:57:55,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:55,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:55,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:55,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:55,191 INFO L229 MonitoredProcess]: Starting monitored process 699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:55,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (699)] Waiting until timeout for monitored process [2024-11-08 22:57:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:56,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:56,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:56,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:56,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (699)] Ended with exit code 0 [2024-11-08 22:57:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:56,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:56,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:56,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:56,680 INFO L229 MonitoredProcess]: Starting monitored process 700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:56,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (700)] Waiting until timeout for monitored process [2024-11-08 22:57:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:57,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:57,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:57,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:58,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (700)] Ended with exit code 0 [2024-11-08 22:57:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:58,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:58,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:58,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:58,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:58,151 INFO L229 MonitoredProcess]: Starting monitored process 701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:58,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (701)] Waiting until timeout for monitored process [2024-11-08 22:57:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:59,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:59,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:57:59,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:57:59,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (701)] Ended with exit code 0 [2024-11-08 22:57:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:57:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:57:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:57:59,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:59,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:59,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:59,661 INFO L229 MonitoredProcess]: Starting monitored process 702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:59,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (702)] Waiting until timeout for monitored process [2024-11-08 22:58:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:00,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:00,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:00,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:01,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (702)] Ended with exit code 0 [2024-11-08 22:58:01,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:01,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:01,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:01,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:01,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:01,130 INFO L229 MonitoredProcess]: Starting monitored process 703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:01,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (703)] Waiting until timeout for monitored process [2024-11-08 22:58:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:02,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:02,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:02,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:02,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (703)] Ended with exit code 0 [2024-11-08 22:58:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:02,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:02,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:02,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:02,674 INFO L229 MonitoredProcess]: Starting monitored process 704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:02,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (704)] Waiting until timeout for monitored process [2024-11-08 22:58:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:03,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:03,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:03,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:04,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (704)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:04,289 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:04,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:04,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:04,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:04,291 INFO L229 MonitoredProcess]: Starting monitored process 705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:04,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (705)] Waiting until timeout for monitored process [2024-11-08 22:58:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:05,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:05,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:05,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:05,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (705)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:05,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:05,974 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:05,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:05,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:05,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:05,975 INFO L229 MonitoredProcess]: Starting monitored process 706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:05,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (706)] Waiting until timeout for monitored process [2024-11-08 22:58:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:07,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:07,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (706)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:07,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:07,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:07,509 INFO L229 MonitoredProcess]: Starting monitored process 707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:07,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (707)] Waiting until timeout for monitored process [2024-11-08 22:58:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:08,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:09,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (707)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:09,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:09,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:09,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:09,058 INFO L229 MonitoredProcess]: Starting monitored process 708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:09,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (708)] Waiting until timeout for monitored process [2024-11-08 22:58:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:10,323 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:10,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:10,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:10,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (708)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:10,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:10,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:10,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:10,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:10,579 INFO L229 MonitoredProcess]: Starting monitored process 709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:10,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (709)] Waiting until timeout for monitored process [2024-11-08 22:58:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:11,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:11,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:11,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:12,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (709)] Ended with exit code 0 [2024-11-08 22:58:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:12,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:12,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:12,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:12,111 INFO L229 MonitoredProcess]: Starting monitored process 710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:12,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (710)] Waiting until timeout for monitored process [2024-11-08 22:58:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:13,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:13,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:13,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:13,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (710)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:13,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:13,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:13,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:13,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:13,661 INFO L229 MonitoredProcess]: Starting monitored process 711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:13,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (711)] Waiting until timeout for monitored process [2024-11-08 22:58:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:14,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:14,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:14,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:15,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (711)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:15,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:15,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:15,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:15,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:15,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:15,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:15,213 INFO L229 MonitoredProcess]: Starting monitored process 712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:15,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (712)] Waiting until timeout for monitored process [2024-11-08 22:58:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:16,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:16,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:16,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:16,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (712)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:16,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:16,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:16,783 INFO L229 MonitoredProcess]: Starting monitored process 713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:16,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (713)] Waiting until timeout for monitored process [2024-11-08 22:58:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:18,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:18,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:18,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:18,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:18,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (713)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:18,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:18,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:18,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:18,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:18,302 INFO L229 MonitoredProcess]: Starting monitored process 714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:18,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (714)] Waiting until timeout for monitored process [2024-11-08 22:58:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:19,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:19,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:19,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:19,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (714)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:19,779 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:19,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:19,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:19,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:19,780 INFO L229 MonitoredProcess]: Starting monitored process 715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:19,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (715)] Waiting until timeout for monitored process [2024-11-08 22:58:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:21,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:21,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:21,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:21,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (715)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:21,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:21,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:21,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:21,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:21,305 INFO L229 MonitoredProcess]: Starting monitored process 716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:21,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (716)] Waiting until timeout for monitored process [2024-11-08 22:58:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:22,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:22,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:22,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:22,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (716)] Ended with exit code 0 [2024-11-08 22:58:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:22,884 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:22,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:22,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:22,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:22,885 INFO L229 MonitoredProcess]: Starting monitored process 717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:22,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (717)] Waiting until timeout for monitored process [2024-11-08 22:58:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:24,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:24,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:24,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:24,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (717)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:24,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:24,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:24,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:24,694 INFO L229 MonitoredProcess]: Starting monitored process 718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:24,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (718)] Waiting until timeout for monitored process [2024-11-08 22:58:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:25,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:25,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:26,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:26,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (718)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:26,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:26,244 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:26,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:26,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:26,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:26,245 INFO L229 MonitoredProcess]: Starting monitored process 719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:26,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (719)] Waiting until timeout for monitored process [2024-11-08 22:58:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:27,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:27,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:27,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:27,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (719)] Ended with exit code 0 [2024-11-08 22:58:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:27,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:27,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:27,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:27,818 INFO L229 MonitoredProcess]: Starting monitored process 720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:27,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (720)] Waiting until timeout for monitored process [2024-11-08 22:58:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:29,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:29,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:29,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:29,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (720)] Ended with exit code 0 [2024-11-08 22:58:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:29,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:29,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:29,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:29,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:29,381 INFO L229 MonitoredProcess]: Starting monitored process 721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:29,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (721)] Waiting until timeout for monitored process [2024-11-08 22:58:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:30,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:30,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:30,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:30,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (721)] Ended with exit code 0 [2024-11-08 22:58:30,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:30,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:30,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:30,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:30,941 INFO L229 MonitoredProcess]: Starting monitored process 722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:30,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (722)] Waiting until timeout for monitored process [2024-11-08 22:58:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:32,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:32,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:32,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:32,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (722)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:32,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:32,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:32,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:32,458 INFO L229 MonitoredProcess]: Starting monitored process 723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:32,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (723)] Waiting until timeout for monitored process [2024-11-08 22:58:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:33,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:33,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:33,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:34,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (723)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:34,021 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:34,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:34,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:34,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:34,022 INFO L229 MonitoredProcess]: Starting monitored process 724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:34,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (724)] Waiting until timeout for monitored process [2024-11-08 22:58:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:35,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:35,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:58:35,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:35,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (724)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:35,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:35,569 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:35,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:35,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:35,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:35,570 INFO L229 MonitoredProcess]: Starting monitored process 725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:35,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (725)] Waiting until timeout for monitored process [2024-11-08 22:58:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:36,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:36,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:36,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:37,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (725)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:37,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:37,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:37,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:37,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:37,138 INFO L229 MonitoredProcess]: Starting monitored process 726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:37,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (726)] Waiting until timeout for monitored process [2024-11-08 22:58:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:38,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:38,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:38,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:38,646 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:38,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (726)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:38,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:38,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:38,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:38,669 INFO L229 MonitoredProcess]: Starting monitored process 727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:38,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (727)] Waiting until timeout for monitored process [2024-11-08 22:58:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:39,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:39,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:39,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:40,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (727)] Ended with exit code 0 [2024-11-08 22:58:40,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:40,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:40,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:40,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:40,233 INFO L229 MonitoredProcess]: Starting monitored process 728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:40,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (728)] Waiting until timeout for monitored process [2024-11-08 22:58:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:41,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:41,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:41,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:41,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (728)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:41,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:41,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:41,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:41,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:41,797 INFO L229 MonitoredProcess]: Starting monitored process 729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:41,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (729)] Waiting until timeout for monitored process [2024-11-08 22:58:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:43,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:43,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:43,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:43,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (729)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:43,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:43,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:43,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:43,365 INFO L229 MonitoredProcess]: Starting monitored process 730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:43,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (730)] Waiting until timeout for monitored process [2024-11-08 22:58:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:44,678 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:44,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:44,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:44,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (730)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:44,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:44,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:44,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:44,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:44,935 INFO L229 MonitoredProcess]: Starting monitored process 731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:44,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (731)] Waiting until timeout for monitored process [2024-11-08 22:58:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:46,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:46,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:46,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:46,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (731)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:46,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:46,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:46,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:46,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:46,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:46,554 INFO L229 MonitoredProcess]: Starting monitored process 732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:46,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (732)] Waiting until timeout for monitored process [2024-11-08 22:58:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:47,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:47,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:47,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:48,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (732)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:48,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:48,121 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:48,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:48,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:48,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:48,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:48,123 INFO L229 MonitoredProcess]: Starting monitored process 733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:48,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2024-11-08 22:58:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:49,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:49,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:49,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:49,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:49,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (733)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:49,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:49,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:49,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:49,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:49,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:49,707 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:49,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2024-11-08 22:58:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:51,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:51,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:51,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:51,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (734)] Ended with exit code 0 [2024-11-08 22:58:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:51,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:51,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:51,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:51,349 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:51,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2024-11-08 22:58:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:52,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:52,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:52,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:53,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (735)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:53,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:53,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:53,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:53,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:53,035 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:53,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2024-11-08 22:58:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:54,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:54,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:54,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:54,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (736)] Ended with exit code 0 [2024-11-08 22:58:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:54,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:54,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:54,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:54,698 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:54,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2024-11-08 22:58:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:56,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:56,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:56,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:56,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2024-11-08 22:58:56,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:56,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:56,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:56,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:56,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:56,345 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:56,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2024-11-08 22:58:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:57,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:57,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:57,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:57,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (738)] Ended with exit code 0 [2024-11-08 22:58:57,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:57,971 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:57,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:57,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:57,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:57,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:57,973 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:57,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2024-11-08 22:58:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:59,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:59,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:59,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:58:59,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (739)] Ended with exit code 0 [2024-11-08 22:58:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:58:59,540 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:58:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:59,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:59,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:59,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:59,541 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:59,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2024-11-08 22:59:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:00,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:00,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:00,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:01,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (740)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:01,113 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:01,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:01,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:01,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:01,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:01,114 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:01,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2024-11-08 22:59:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:02,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:02,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:02,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:02,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (741)] Ended with exit code 0 [2024-11-08 22:59:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:02,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:02,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:02,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:02,683 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:02,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2024-11-08 22:59:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:04,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:04,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:04,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:04,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (742)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:04,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:04,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:04,264 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:04,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:04,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:04,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:04,265 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:04,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2024-11-08 22:59:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:05,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:05,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:05,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:05,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (743)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:05,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:05,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:05,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:05,798 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:05,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2024-11-08 22:59:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:07,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:07,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:07,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:07,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (744)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:07,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:07,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:07,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:07,366 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:07,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2024-11-08 22:59:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:08,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:08,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:08,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:08,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (745)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:08,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:08,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:08,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:08,896 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:08,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2024-11-08 22:59:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:10,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:10,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:10,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:10,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (746)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:10,465 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:10,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:10,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:10,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:10,466 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:10,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2024-11-08 22:59:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:11,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:11,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:11,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:12,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (747)] Ended with exit code 0 [2024-11-08 22:59:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:12,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:12,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:12,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:12,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:12,073 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:12,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2024-11-08 22:59:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:13,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:13,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:13,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:13,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (748)] Ended with exit code 0 [2024-11-08 22:59:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:13,725 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:13,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:13,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:13,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:13,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:13,726 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:13,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2024-11-08 22:59:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:15,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:15,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:15,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:15,385 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:15,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (749)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:15,411 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:15,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:15,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:15,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:15,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:15,413 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:15,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2024-11-08 22:59:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:16,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:16,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:16,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:17,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (750)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:17,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:17,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:17,199 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:17,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:17,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:17,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:17,200 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:17,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2024-11-08 22:59:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:18,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:18,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:18,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:19,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (751)] Ended with exit code 0 [2024-11-08 22:59:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:19,065 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:19,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:19,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:19,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:19,067 INFO L229 MonitoredProcess]: Starting monitored process 752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:19,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (752)] Waiting until timeout for monitored process [2024-11-08 22:59:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:20,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:20,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:20,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:20,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (752)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:20,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:20,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:20,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:20,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:20,870 INFO L229 MonitoredProcess]: Starting monitored process 753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:20,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (753)] Waiting until timeout for monitored process [2024-11-08 22:59:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:22,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:22,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:22,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:22,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (753)] Ended with exit code 0 [2024-11-08 22:59:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:22,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:22,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:22,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:22,603 INFO L229 MonitoredProcess]: Starting monitored process 754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:22,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (754)] Waiting until timeout for monitored process [2024-11-08 22:59:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:23,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:23,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:23,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:24,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (754)] Ended with exit code 0 [2024-11-08 22:59:24,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:24,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:24,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:24,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:24,220 INFO L229 MonitoredProcess]: Starting monitored process 755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:24,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (755)] Waiting until timeout for monitored process [2024-11-08 22:59:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:25,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:25,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:25,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:25,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (755)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:25,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:25,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:25,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:25,799 INFO L229 MonitoredProcess]: Starting monitored process 756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:25,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (756)] Waiting until timeout for monitored process [2024-11-08 22:59:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:27,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:27,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:27,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:27,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (756)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:27,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:27,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:27,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:27,367 INFO L229 MonitoredProcess]: Starting monitored process 757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:27,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (757)] Waiting until timeout for monitored process [2024-11-08 22:59:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:28,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:28,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:28,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:28,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (757)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:28,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:28,958 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:28,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:28,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:28,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:28,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:28,960 INFO L229 MonitoredProcess]: Starting monitored process 758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:28,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (758)] Waiting until timeout for monitored process [2024-11-08 22:59:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:30,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:30,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:30,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:30,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (758)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:30,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:30,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:30,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:30,543 INFO L229 MonitoredProcess]: Starting monitored process 759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:30,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (759)] Waiting until timeout for monitored process [2024-11-08 22:59:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:31,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:31,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:31,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:32,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (759)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:32,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:32,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:32,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:32,219 INFO L229 MonitoredProcess]: Starting monitored process 760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:32,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (760)] Waiting until timeout for monitored process [2024-11-08 22:59:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:33,606 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:33,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:33,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:33,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (760)] Ended with exit code 0 [2024-11-08 22:59:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:33,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:33,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:33,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:33,883 INFO L229 MonitoredProcess]: Starting monitored process 761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:33,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (761)] Waiting until timeout for monitored process [2024-11-08 22:59:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:35,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:35,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:35,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:35,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (761)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:35,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:35,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:35,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:35,485 INFO L229 MonitoredProcess]: Starting monitored process 762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:35,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (762)] Waiting until timeout for monitored process [2024-11-08 22:59:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:36,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:36,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:36,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:37,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (762)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:37,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:37,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:37,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:37,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:37,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:37,087 INFO L229 MonitoredProcess]: Starting monitored process 763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:37,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (763)] Waiting until timeout for monitored process [2024-11-08 22:59:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:38,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:38,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:38,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:38,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:38,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (763)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:38,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:38,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:38,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:38,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:38,700 INFO L229 MonitoredProcess]: Starting monitored process 764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:38,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (764)] Waiting until timeout for monitored process [2024-11-08 22:59:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:40,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:40,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:40,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:40,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (764)] Ended with exit code 0 [2024-11-08 22:59:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:40,348 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:40,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:40,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:40,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:40,349 INFO L229 MonitoredProcess]: Starting monitored process 765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:40,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (765)] Waiting until timeout for monitored process [2024-11-08 22:59:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:41,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:41,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:41,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:42,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (765)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:42,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:42,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:42,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:42,014 INFO L229 MonitoredProcess]: Starting monitored process 766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:42,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (766)] Waiting until timeout for monitored process [2024-11-08 22:59:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:43,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:43,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:43,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:43,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (766)] Ended with exit code 0 [2024-11-08 22:59:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:43,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:43,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:43,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:43,643 INFO L229 MonitoredProcess]: Starting monitored process 767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:43,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (767)] Waiting until timeout for monitored process [2024-11-08 22:59:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:44,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:45,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:45,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:45,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (767)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:45,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:45,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:45,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:45,229 INFO L229 MonitoredProcess]: Starting monitored process 768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:45,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (768)] Waiting until timeout for monitored process [2024-11-08 22:59:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:46,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:46,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:46,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:46,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:46,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (768)] Ended with exit code 0 [2024-11-08 22:59:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:46,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:46,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:46,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:46,863 INFO L229 MonitoredProcess]: Starting monitored process 769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:46,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (769)] Waiting until timeout for monitored process [2024-11-08 22:59:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:48,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:48,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:48,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:48,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (769)] Ended with exit code 0 [2024-11-08 22:59:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:48,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:48,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:48,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:48,597 INFO L229 MonitoredProcess]: Starting monitored process 770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:48,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (770)] Waiting until timeout for monitored process [2024-11-08 22:59:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:49,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:49,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:49,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:50,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (770)] Ended with exit code 0 [2024-11-08 22:59:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:50,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:50,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:50,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:50,212 INFO L229 MonitoredProcess]: Starting monitored process 771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:50,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (771)] Waiting until timeout for monitored process [2024-11-08 22:59:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:51,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:51,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:51,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:51,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (771)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:51,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:51,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:51,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:51,824 INFO L229 MonitoredProcess]: Starting monitored process 772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:51,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (772)] Waiting until timeout for monitored process [2024-11-08 22:59:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:53,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:53,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:53,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:53,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (772)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:53,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:53,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:53,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:53,460 INFO L229 MonitoredProcess]: Starting monitored process 773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:53,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (773)] Waiting until timeout for monitored process [2024-11-08 22:59:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:54,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:54,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:54,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:55,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (773)] Ended with exit code 0 [2024-11-08 22:59:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:55,046 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:55,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:55,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:55,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:55,048 INFO L229 MonitoredProcess]: Starting monitored process 774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:55,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (774)] Waiting until timeout for monitored process [2024-11-08 22:59:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:56,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:56,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:56,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:56,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (774)] Ended with exit code 0 [2024-11-08 22:59:56,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:56,720 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:56,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:56,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:56,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:56,721 INFO L229 MonitoredProcess]: Starting monitored process 775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:56,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (775)] Waiting until timeout for monitored process [2024-11-08 22:59:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:58,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:58,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:58,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:59:58,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (775)] Ended with exit code 0 [2024-11-08 22:59:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 22:59:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 22:59:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:58,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:58,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:58,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:58,563 INFO L229 MonitoredProcess]: Starting monitored process 776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:58,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (776)] Waiting until timeout for monitored process [2024-11-08 22:59:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:59,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:59,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:59:59,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:00:00,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (776)] Ended with exit code 0 [2024-11-08 23:00:00,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:00,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:00:00,248 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:00:00,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:00:00,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:00,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:00,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:00,250 INFO L229 MonitoredProcess]: Starting monitored process 777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:00,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (777)] Waiting until timeout for monitored process [2024-11-08 23:00:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:01,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:01,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:00:01,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:01,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:00:01,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (777)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:00:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:00:01,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:00:01,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:01,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:01,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:01,864 INFO L229 MonitoredProcess]: Starting monitored process 778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:01,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (778)] Waiting until timeout for monitored process [2024-11-08 23:00:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:03,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:03,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:00:03,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:00:03,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (778)] Ended with exit code 0 [2024-11-08 23:00:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:00:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:00:03,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:00:03,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:03,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:03,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:03,517 INFO L229 MonitoredProcess]: Starting monitored process 779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:03,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (779)] Waiting until timeout for monitored process [2024-11-08 23:00:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:04,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:04,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:00:04,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:00:05,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (779)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:05,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:00:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:00:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:00:05,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:05,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:05,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:05,151 INFO L229 MonitoredProcess]: Starting monitored process 780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:05,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (780)] Waiting until timeout for monitored process [2024-11-08 23:00:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:06,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:06,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:00:06,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:06,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:00:06,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (780)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:00:06,894 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:00:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:00:06,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:06,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:06,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:06,896 INFO L229 MonitoredProcess]: Starting monitored process 781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:06,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b4580e-f039-4b94-b95d-f8e763f30e2c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (781)] Waiting until timeout for monitored process