./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/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_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/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_39a69a45-9398-4b2c-b61a-4cf169727128/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 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:27,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:27,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:38:27,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:38:27,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:38:27,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:27,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:38:27,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:38:27,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:27,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:27,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:27,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:38:27,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:38:27,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:38:27,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:38:27,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:27,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:38:27,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:27,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:38:27,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:27,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:38:27,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:38:27,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:27,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:27,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:27,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:27,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:27,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:27,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:27,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:27,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:38:27,682 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:38:27,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:38:27,683 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_39a69a45-9398-4b2c-b61a-4cf169727128/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2024-11-08 23:38:27,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:28,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:28,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:28,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:28,024 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:28,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i Unable to find full path for "g++" [2024-11-08 23:38:30,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:30,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:30,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2024-11-08 23:38:30,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/data/04591e037/a922ee57b42247c1a7729a12bcd00c46/FLAG1938c6fff [2024-11-08 23:38:30,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/data/04591e037/a922ee57b42247c1a7729a12bcd00c46 [2024-11-08 23:38:30,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:30,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:30,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:30,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:30,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:30,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:30,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ab5f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30, skipping insertion in model container [2024-11-08 23:38:30,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:30,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:30,923 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_39a69a45-9398-4b2c-b61a-4cf169727128/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2024-11-08 23:38:30,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:30,969 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:30,982 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_39a69a45-9398-4b2c-b61a-4cf169727128/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2024-11-08 23:38:30,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:31,018 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:31,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31 WrapperNode [2024-11-08 23:38:31,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:31,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:31,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:31,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:31,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,064 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2024-11-08 23:38:31,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:31,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:31,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:31,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:31,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:31,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:31,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:31,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:31,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:31,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:31,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:31,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:38:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:38:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:38:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:31,237 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:31,240 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:31,458 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:31,459 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:31,580 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:31,581 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:38:31,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:31 BoogieIcfgContainer [2024-11-08 23:38:31,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:31,582 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:31,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:31,596 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:31,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:31" (1/1) ... [2024-11-08 23:38:31,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-08 23:38:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-08 23:38:31,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:38:31,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:31,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:32,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:32,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:32,596 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:38:32,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:38:32 ImpRootNode [2024-11-08 23:38:32,681 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:38:32,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:38:32,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:38:32,683 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:38:32,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:31" (3/4) ... [2024-11-08 23:38:32,686 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:38:32,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:38:32,689 INFO L158 Benchmark]: Toolchain (without parser) took 2012.21ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 96.2MB in the beginning and 92.1MB in the end (delta: 4.1MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-08 23:38:32,689 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:32,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.99ms. Allocated memory is still 132.1MB. Free memory was 95.9MB in the beginning and 82.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:38:32,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.61ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 80.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:32,691 INFO L158 Benchmark]: Boogie Preprocessor took 35.93ms. Allocated memory is still 132.1MB. Free memory was 80.9MB in the beginning and 79.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:32,692 INFO L158 Benchmark]: RCFGBuilder took 479.79ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 61.3MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:38:32,694 INFO L158 Benchmark]: CodeCheck took 1099.27ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 61.3MB in the beginning and 92.1MB in the end (delta: -30.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-11-08 23:38:32,695 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 163.6MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:32,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] unsigned long int var_1_3 = 4; [L25] unsigned long int var_1_4 = 64; [L26] unsigned long int var_1_5 = 32; [L27] unsigned long int var_1_6 = 1908995780; [L28] unsigned long int var_1_7 = 0; [L29] double var_1_8 = 1.7; [L30] double var_1_9 = 1.7; [L31] signed short int var_1_10 = -32; [L32] signed short int var_1_11 = -16; [L76] isInitial = 1 [L77] FCALL initially() [L78] COND TRUE 1 [L79] FCALL updateLastVariables() [L80] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L47] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L48] var_1_3 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L50] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L51] var_1_4 = __VERIFIER_nondet_ulong() [L52] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L53] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L54] var_1_5 = __VERIFIER_nondet_ulong() [L55] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L57] var_1_6 = __VERIFIER_nondet_ulong() [L58] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L60] var_1_7 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_8=17/10, var_1_9=17/10] [L62] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=17/10, var_1_9=17/10] [L63] var_1_9 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=17/10] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=17/10] [L65] var_1_11 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_11 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=17/10] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_11 >= -32767) VAL [isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=17/10] [L67] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=17/10] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=17/10] [L80] RET updateVariables() [L81] CALL step() [L36] COND FALSE !(\read(var_1_2)) [L39] var_1_1 = (3164264966u - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))) [L41] var_1_8 = var_1_9 [L42] var_1_10 = var_1_11 [L81] RET step() [L82] CALL, EXPR property() [L72-L73] return ((var_1_2 ? (var_1_1 == ((unsigned long int) ((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))))) : (var_1_1 == ((unsigned long int) (3164264966u - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7)))))))) && (var_1_8 == ((double) var_1_9))) && (var_1_10 == ((signed short int) var_1_11)) ; [L82] RET, EXPR property() [L82] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_1=3164264966, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_1=3164264966, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=2, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.99ms. Allocated memory is still 132.1MB. Free memory was 95.9MB in the beginning and 82.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.61ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 80.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.93ms. Allocated memory is still 132.1MB. Free memory was 80.9MB in the beginning and 79.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 479.79ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 61.3MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1099.27ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 61.3MB in the beginning and 92.1MB in the end (delta: -30.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 163.6MB. Free memory is still 92.1MB. 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 23:38:32,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/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_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/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_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/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_39a69a45-9398-4b2c-b61a-4cf169727128/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 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:35,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:35,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:38:35,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:35,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:38:35,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:38:35,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:35,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:35,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:35,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:38:35,472 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:38:35,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:38:35,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:35,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:38:35,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:35,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:38:35,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:38:35,476 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:38:35,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:35,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:38:35,477 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:38:35,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:38:35,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:35,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:35,478 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:35,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:35,479 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:35,479 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:38:35,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:35,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:35,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:35,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:35,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:38:35,481 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:38:35,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:35,482 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:38:35,482 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_39a69a45-9398-4b2c-b61a-4cf169727128/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2024-11-08 23:38:35,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:35,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:35,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:35,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:35,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:35,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i Unable to find full path for "g++" [2024-11-08 23:38:37,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:38,173 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:38,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2024-11-08 23:38:38,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/data/fbbc0dfb1/3b06010ac005414a86a530e7c4fb66a9/FLAGcedc2083f [2024-11-08 23:38:38,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/data/fbbc0dfb1/3b06010ac005414a86a530e7c4fb66a9 [2024-11-08 23:38:38,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:38,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:38,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:38,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:38,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:38,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d478dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38, skipping insertion in model container [2024-11-08 23:38:38,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:38,549 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2024-11-08 23:38:38,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:38,639 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:38,659 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_39a69a45-9398-4b2c-b61a-4cf169727128/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2024-11-08 23:38:38,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:38,718 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:38,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38 WrapperNode [2024-11-08 23:38:38,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:38,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:38,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:38,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:38,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,784 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-08 23:38:38,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:38,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:38,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:38,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:38,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:38,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:38,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:38,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:38,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:38" (1/1) ... [2024-11-08 23:38:38,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:38,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:38,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:38,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:38:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:38,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:38,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:39,186 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:39,186 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:39,334 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:39,334 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:38:39,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:39 BoogieIcfgContainer [2024-11-08 23:38:39,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:39,335 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:39,335 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:39,347 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:39,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:39" (1/1) ... [2024-11-08 23:38:39,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-08 23:38:39,427 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-08 23:38:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:38:39,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:39,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:39,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:39,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:39,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:38:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:39,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:38:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:40,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:38:40,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:45,795 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:38:45,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:38:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:38:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:38:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:38:46,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:46,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:46,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:46,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:46,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:38:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:47,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:38:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:47,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:38:47,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:38:51,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:38:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:38:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:38:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:38:51,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:51,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:51,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:51,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:51,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:38:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:51,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:38:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:51,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:38:51,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:38:54,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:38:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:38:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:38:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:38:54,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:54,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:54,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:54,441 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:54,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:38:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:54,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:38:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:54,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:38:54,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:38:57,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:38:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:38:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:38:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:38:57,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:57,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:57,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:57,794 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:57,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:38:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:58,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:38:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:58,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:38:58,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:00,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:39:00,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:39:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:39:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:00,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:00,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:00,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:00,938 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:00,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:39:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:01,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:01,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:01,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:04,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:39:04,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:04,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:39:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:39:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:04,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:04,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:04,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:04,089 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:04,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:39:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:04,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:04,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:04,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:07,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:39:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:39:07,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:07,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:07,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:07,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:07,151 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:07,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:39:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:07,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:07,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:07,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:09,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:09,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:39:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:39:09,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:09,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:09,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:09,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:09,711 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:09,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:39:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:10,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:10,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:39:10,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:12,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:14,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2024-11-08 23:39:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2024-11-08 23:39:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:14,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:14,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:14,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:14,315 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:14,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:39:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:14,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:14,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:14,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:16,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 23:39:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2024-11-08 23:39:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2024-11-08 23:39:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:16,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:16,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:16,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:16,758 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:16,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:39:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:17,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:17,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:17,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:18,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:39:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2024-11-08 23:39:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2024-11-08 23:39:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:18,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:18,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:18,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:18,965 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:18,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:39:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:19,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:19,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:19,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:21,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:22,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:22,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:22,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:22,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:22,255 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:22,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:39:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:22,545 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:22,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:22,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:24,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:24,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:24,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:24,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:24,573 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:24,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:39:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:24,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:24,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:24,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:26,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 23:39:26,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:26,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:26,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:26,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:26,745 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:26,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:39:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:27,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:27,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:27,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:28,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 23:39:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:28,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:28,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:28,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:28,831 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:28,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:39:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:29,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:29,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:29,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:31,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:31,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:31,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:31,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:31,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:31,022 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:31,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:39:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:31,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:31,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:31,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:33,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:33,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:33,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:33,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:33,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:33,089 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:33,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:39:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:33,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:33,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:33,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:35,545 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:35,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:35,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:35,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:35,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:35,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:35,576 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:35,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:39:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:36,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:36,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:39:36,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:38,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:38,278 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:38,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:38,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:38,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:38,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:38,285 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:38,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:39:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:38,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:38,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:38,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:40,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 23:39:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:40,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:40,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:40,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:40,491 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:40,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:39:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:40,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:40,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:40,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:42,707 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:42,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:42,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:42,717 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:42,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:42,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:42,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:42,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:42,720 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:42,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 23:39:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:43,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:43,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:43,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:45,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-08 23:39:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:45,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:45,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:45,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:45,217 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:45,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 23:39:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:45,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:45,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:45,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:47,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:47,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:47,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:47,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:47,734 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:47,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 23:39:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:48,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:48,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:48,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:50,074 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:50,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 23:39:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:50,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:50,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:50,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:50,090 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:50,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 23:39:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:50,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:50,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:50,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:52,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:52,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:52,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:52,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:52,403 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:52,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 23:39:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:52,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:52,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:52,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:54,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:54,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:54,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:54,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:54,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:54,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:54,716 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:54,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 23:39:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:55,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:55,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:39:55,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:57,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 23:39:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:57,275 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:57,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:57,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:57,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:57,279 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:57,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 23:39:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:57,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:57,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:57,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:39:59,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:39:59,881 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:39:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:39:59,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:59,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:59,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:59,889 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:59,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 23:40:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:00,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:00,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:00,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:02,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:02,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:02,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:02,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:02,296 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:02,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 23:40:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:02,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:02,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:02,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:04,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:04,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:04,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:04,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:04,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:04,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:04,563 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:04,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 23:40:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:04,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:04,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:05,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:07,094 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:07,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:07,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:07,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:07,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:07,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:07,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:07,107 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:07,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 23:40:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:07,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:07,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:07,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:09,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-08 23:40:09,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:09,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:09,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:09,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:09,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:09,529 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:09,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 23:40:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:09,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:09,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:09,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:11,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-08 23:40:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:11,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:11,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:11,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:11,835 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:11,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 23:40:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:12,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:12,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:12,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:14,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:14,506 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:14,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:14,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:14,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:14,509 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:14,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 23:40:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:14,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:14,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:14,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:16,928 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:16,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:16,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:16,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:16,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:16,942 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:16,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 23:40:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:17,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:17,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:40:17,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:19,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:19,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:19,543 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:19,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:19,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:19,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:19,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:19,545 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:19,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 23:40:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:19,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:19,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:19,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:21,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:21,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:21,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:21,829 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:21,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:21,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:21,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:21,831 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:21,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 23:40:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:22,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:22,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:22,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:24,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:24,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:24,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:24,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:24,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:24,163 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:24,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 23:40:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:24,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:24,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:24,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:26,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:26,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:26,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:26,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:26,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:26,447 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:26,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 23:40:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:26,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:26,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:26,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:28,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:28,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:28,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:28,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:28,635 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:28,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 23:40:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:28,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:29,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:29,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:30,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:30,781 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:30,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:30,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:30,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:30,785 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:30,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 23:40:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:31,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:31,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:31,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:33,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:33,094 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:33,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:33,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:33,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:33,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:33,096 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:33,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 23:40:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:33,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:33,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:33,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:35,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-08 23:40:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:35,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:35,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:35,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:35,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:35,288 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:35,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 23:40:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:35,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:35,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:35,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:37,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:37,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:37,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:37,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:37,324 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:37,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 23:40:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:37,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:37,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:40:37,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:39,282 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:39,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:39,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:39,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:39,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:39,383 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:39,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 23:40:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:39,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:39,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:39,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:41,297 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:41,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:41,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:41,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:41,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:41,309 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:41,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 23:40:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:41,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:41,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:41,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:43,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:43,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:43,607 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:43,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:43,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:43,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:43,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:43,612 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:43,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 23:40:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:43,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:43,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:43,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:45,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:45,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:45,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:45,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:45,887 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:45,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 23:40:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:46,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:46,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:46,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:48,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:48,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:48,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:48,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:48,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:48,393 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:48,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 23:40:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:48,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:48,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:48,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:50,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:50,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:50,433 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:50,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:50,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:50,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:50,437 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:50,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 23:40:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:50,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:50,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:50,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:52,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:52,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:52,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:52,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:52,552 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:52,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 23:40:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:53,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:53,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:53,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:54,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:54,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:54,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:54,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:54,880 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:54,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 23:40:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:55,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:55,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:55,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:56,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-08 23:40:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:56,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:56,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:56,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:56,916 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:56,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 23:40:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:57,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:57,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:40:57,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:40:59,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 23:40:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:40:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:40:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:40:59,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:59,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:59,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:59,656 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:59,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 23:41:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:00,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:00,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:00,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:02,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:02,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:02,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:02,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:02,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:02,411 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:02,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 23:41:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:02,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:02,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:02,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:05,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-08 23:41:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:05,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:05,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:05,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:05,266 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:05,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 23:41:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:05,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:05,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:05,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:08,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-08 23:41:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:08,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:08,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:08,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:08,181 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:08,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 23:41:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:08,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:08,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:08,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:10,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:10,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:10,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:10,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:10,795 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:10,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 23:41:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:11,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:11,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:11,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:13,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:13,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:13,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:13,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:13,482 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:13,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 23:41:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:13,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:13,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:13,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:15,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:15,979 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:15,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:15,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:15,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:15,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:15,983 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:15,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 23:41:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:16,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:16,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:16,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:18,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:18,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:18,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:18,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:18,507 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:18,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 23:41:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:18,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:18,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:18,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:21,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:21,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:21,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:21,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:21,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:21,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:21,076 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:21,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 23:41:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:21,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:21,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:21,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:23,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:23,897 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:23,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:23,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:23,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:23,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:23,901 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:23,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 23:41:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:24,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:24,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:41:24,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:26,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:26,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:26,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:26,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:26,453 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:26,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 23:41:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:26,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:26,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:26,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:28,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:29,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:29,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:29,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:29,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:29,007 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:29,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 23:41:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:29,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:29,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:29,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:31,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:31,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:31,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:31,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:31,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:31,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:31,764 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:31,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 23:41:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:32,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:32,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:32,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:34,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:34,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:34,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:34,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:34,677 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:34,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 23:41:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:35,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:35,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:35,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:37,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:37,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:37,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:37,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:37,161 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:37,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 23:41:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:37,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:37,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:37,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:39,719 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:39,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:39,730 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:39,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:39,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:39,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:39,732 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:39,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 23:41:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:40,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:40,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:41:40,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:42,256 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:42,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-08 23:41:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:42,368 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:42,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:42,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:42,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:42,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:42,369 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:42,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 23:41:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:42,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:42,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:42,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:44,583 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:44,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-08 23:41:44,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:44,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:44,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:44,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:44,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:44,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:44,594 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:44,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 23:41:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:44,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:44,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:44,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:46,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:46,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:46,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:46,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:46,648 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:46,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 23:41:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:46,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:46,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:46,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:48,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:48,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:48,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:48,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:48,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:48,687 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:48,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 23:41:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:49,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:49,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:49,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:51,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-08 23:41:51,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:51,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:51,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:51,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:51,192 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:51,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 23:41:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:51,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:51,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:51,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:53,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:53,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:53,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:53,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:53,771 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:53,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 23:41:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:54,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:54,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:54,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:56,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:56,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:56,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:56,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:56,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:56,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:56,290 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:56,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 23:41:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:56,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:56,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:56,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:41:58,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:58,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:41:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:41:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:41:58,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:58,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:58,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:58,718 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:58,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 23:41:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:59,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:59,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:59,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:00,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:00,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:00,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:00,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:00,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:00,925 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:00,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 23:42:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:01,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:01,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:01,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:03,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:03,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:03,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:03,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:03,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:03,285 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:03,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 23:42:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:03,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:03,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:42:03,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:05,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-08 23:42:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:05,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:05,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:05,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:05,795 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:05,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 23:42:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:06,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:06,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:06,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:08,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:08,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:08,493 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:08,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:08,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:08,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:08,495 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:08,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 23:42:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:08,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:08,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:08,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:10,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:10,741 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:10,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:10,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:10,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:10,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:10,745 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:10,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 23:42:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:11,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:11,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:11,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:13,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:13,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:13,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:13,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:13,227 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:13,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 23:42:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:13,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:13,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:13,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:15,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:15,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:15,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:15,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:15,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:15,644 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:15,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 23:42:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:16,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:16,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:16,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:18,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-08 23:42:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:18,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:18,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:18,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:18,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:18,033 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:18,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 23:42:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:18,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:18,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:18,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:20,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-08 23:42:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:20,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:20,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:20,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:20,445 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:20,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 23:42:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:20,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:20,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:42:20,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:22,931 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:22,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:23,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:23,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:23,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:23,064 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:23,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 23:42:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:23,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:25,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-08 23:42:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:25,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:25,333 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:25,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:25,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:25,342 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:25,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 23:42:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:25,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:25,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:25,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:27,697 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:27,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:27,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:27,708 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:27,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:27,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:27,712 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:27,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 23:42:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:28,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:28,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:28,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:30,090 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:42:30,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:30,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:30,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:30,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:30,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:30,102 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:30,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 23:42:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:30,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:30,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:42:30,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:32,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:32,671 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:32,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:32,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:32,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:32,673 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:32,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 23:42:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:33,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:33,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:33,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:35,189 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:35,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:35,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:35,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:35,199 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:35,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:35,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:35,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:35,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:35,201 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:35,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 23:42:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:35,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:35,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:35,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:37,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-08 23:42:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:37,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:37,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:37,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:37,588 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:37,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 23:42:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:37,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:37,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:37,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:40,024 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:40,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:40,034 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:40,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:40,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:40,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:40,036 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:40,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 23:42:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:40,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:40,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:40,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:42,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-08 23:42:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:42,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:42,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:42,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:42,389 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:42,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 23:42:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:42,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:42,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:42,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:44,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:44,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:44,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:44,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:44,876 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:44,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 23:42:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:45,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:45,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:45,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:47,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:47,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:47,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:47,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:47,532 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:47,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 23:42:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:48,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:48,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:48,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:50,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:50,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:50,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:50,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:50,176 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:50,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 23:42:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:50,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:50,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:50,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:52,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-08 23:42:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:52,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:52,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:52,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:52,735 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:52,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 23:42:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:53,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:53,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:53,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:55,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:55,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:55,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:55,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:55,124 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:55,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 23:42:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:55,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:55,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:55,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:57,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:57,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:57,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:57,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:57,577 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:57,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 23:42:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:57,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:57,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:57,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:42:59,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:59,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:59,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:42:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:42:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:42:59,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:59,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:59,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:59,915 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:59,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 23:43:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:00,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:00,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:00,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:02,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-08 23:43:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:02,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:02,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:02,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:02,581 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:02,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 23:43:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:03,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:03,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:03,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:05,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-08 23:43:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:05,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:05,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:05,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:05,077 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:05,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 23:43:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:05,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:05,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:43:05,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:07,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:07,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:07,668 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:07,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:07,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:07,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:07,671 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:07,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 23:43:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:08,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:08,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:08,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:10,014 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:10,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:10,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:10,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:10,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:10,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:10,027 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:10,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 23:43:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:10,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:10,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:10,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:12,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-08 23:43:12,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:12,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:12,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:12,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:12,440 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:12,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 23:43:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:12,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:12,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:12,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:14,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-08 23:43:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:14,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:14,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:14,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:14,950 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:14,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 23:43:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:15,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:15,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:15,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:17,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-08 23:43:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:17,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:17,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:17,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:17,341 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:17,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 23:43:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:17,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:17,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:17,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:19,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-08 23:43:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:19,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:19,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:19,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:19,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:19,711 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:19,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 23:43:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:20,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:20,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:20,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:22,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:22,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:22,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:22,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:22,119 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:22,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 23:43:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:22,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:22,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:22,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:24,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-08 23:43:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:24,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:24,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:24,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:24,598 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:24,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 23:43:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:24,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:25,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:25,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:26,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:26,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:26,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:26,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:26,962 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:26,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 23:43:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:27,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:27,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:27,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:29,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:29,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:29,302 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:29,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:29,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:29,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:29,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:29,306 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:29,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 23:43:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:29,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:29,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:29,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:31,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-08 23:43:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:31,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:31,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:31,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:31,605 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:31,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 23:43:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:31,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:32,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:32,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:34,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:34,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:34,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:34,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:34,098 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:34,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 23:43:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:34,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:34,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:34,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:36,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:36,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:36,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:36,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:36,452 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:36,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 23:43:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:36,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:36,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:36,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:38,799 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:38,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:38,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:38,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:38,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:38,810 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:38,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 23:43:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:39,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:39,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:39,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:41,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-08 23:43:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:41,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:41,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:41,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:41,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:41,201 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:41,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 23:43:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:41,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:41,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:43:41,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:43,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:44,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:44,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:44,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:44,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:44,012 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:44,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 23:43:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:44,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:44,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:44,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:46,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-08 23:43:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:46,389 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:46,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:46,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:46,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:46,393 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:46,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 23:43:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:46,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:46,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:46,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:48,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-08 23:43:48,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:48,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:48,802 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:48,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:48,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:48,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:48,804 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:48,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 23:43:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:49,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:49,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:49,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:51,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:51,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:51,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:51,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:51,180 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:51,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 23:43:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:51,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:51,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:51,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:53,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:53,594 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:53,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:53,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:53,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:53,598 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:53,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 23:43:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:53,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:53,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:53,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:55,931 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:55,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:55,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:55,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:55,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:55,943 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:55,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 23:43:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:56,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:56,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:56,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:43:58,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:58,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:43:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:43:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:43:58,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:58,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:58,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:58,311 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:58,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 23:43:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:58,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:58,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:58,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:00,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-08 23:44:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:00,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:00,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:00,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:00,658 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:00,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 23:44:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:01,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:01,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:01,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:03,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:03,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:03,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:03,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:03,110 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:03,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 23:44:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:03,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:03,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:44:03,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:05,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:05,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:05,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:05,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:05,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:05,805 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:05,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 23:44:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:06,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:06,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:06,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:08,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:08,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:08,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:08,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:08,244 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:08,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 23:44:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:08,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:08,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:08,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:10,672 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:10,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-08 23:44:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:10,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:10,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:10,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:10,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:10,684 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:10,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 23:44:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:11,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:11,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:11,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:13,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:13,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:13,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:13,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:13,154 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:13,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 23:44:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:13,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:13,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:13,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:15,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-08 23:44:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:15,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:15,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:15,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:15,561 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:15,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 23:44:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:15,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:15,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:15,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:17,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:17,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:17,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:17,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:17,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:17,906 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:17,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 23:44:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:18,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:18,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:44:18,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:20,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:20,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:20,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:20,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:20,483 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:20,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 23:44:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:20,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:21,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:21,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:23,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:23,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:23,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:23,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:23,137 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:23,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 23:44:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:23,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:23,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:23,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:25,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:25,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:25,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:25,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:25,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:25,545 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:25,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 23:44:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:26,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:26,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:26,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:27,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:27,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:27,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:27,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:27,984 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:27,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 23:44:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:28,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:28,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:28,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:30,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-08 23:44:30,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:30,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:30,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:30,385 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:30,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 23:44:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:30,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:30,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:30,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:32,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:32,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:32,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:32,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:32,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:32,746 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:32,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 23:44:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:33,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:33,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:33,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:35,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:35,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:35,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:35,235 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:35,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 23:44:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:35,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:35,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:35,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:37,407 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:37,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-08 23:44:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:37,416 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:37,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:37,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:37,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:37,418 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:37,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 23:44:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:37,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:37,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:44:37,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:39,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-08 23:44:39,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:39,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:39,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:39,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:39,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:39,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:39,795 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:39,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 23:44:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:40,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:40,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:40,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:42,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:42,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:42,192 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:42,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:42,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:42,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:42,193 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:42,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 23:44:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:42,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:42,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:42,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:44,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:44,786 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:44,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:44,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:44,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:44,788 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:44,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 23:44:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:45,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:45,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:45,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:47,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:47,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:47,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:47,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:47,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:47,045 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:47,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 23:44:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:47,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:47,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:47,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:49,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-08 23:44:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:49,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:49,320 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:49,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:49,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:49,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:49,322 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:49,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 23:44:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:49,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:49,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:49,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:51,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:51,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:51,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:51,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:51,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:51,720 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:51,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 23:44:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:52,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:52,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:52,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:54,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:54,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:54,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:54,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:54,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:54,250 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:54,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 23:44:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:54,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:54,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:54,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:56,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-08 23:44:56,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:56,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:56,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:56,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:56,578 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:56,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 23:44:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:56,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:56,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:56,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:44:58,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-08 23:44:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:44:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:44:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:44:58,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:58,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:58,923 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:58,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 23:44:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:59,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:59,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:44:59,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:01,338 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:01,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:01,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:01,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:01,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:01,349 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:01,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 23:45:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:01,697 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:01,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:01,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:03,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:03,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:03,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:03,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:03,890 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:03,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 23:45:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:04,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:04,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:04,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:06,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:06,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:06,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:06,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:06,297 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:06,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 23:45:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:06,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:06,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:06,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:08,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:08,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:08,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:08,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:08,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:08,517 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:08,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 23:45:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:08,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:08,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:45:08,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:10,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:10,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:10,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:10,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:10,803 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:10,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 23:45:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:11,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:11,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:11,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:13,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:13,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:13,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:13,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:13,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:13,034 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:13,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 23:45:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:13,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:13,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:13,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:15,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:15,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:15,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:15,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:15,126 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:15,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 23:45:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:15,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:15,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:15,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:17,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-08 23:45:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:17,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:17,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:17,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:17,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:17,221 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:17,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 23:45:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:17,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:17,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:17,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:19,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:19,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:19,350 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:19,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:19,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:19,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:19,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:19,351 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:19,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 23:45:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:19,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:19,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:19,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:21,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:21,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:21,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:21,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:21,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:21,492 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:21,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 23:45:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:21,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:21,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:21,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:23,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:23,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:23,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:23,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:23,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:23,755 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:23,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-08 23:45:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:24,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:24,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:24,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:25,892 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:25,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:25,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:25,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:25,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:25,902 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:25,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-08 23:45:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:26,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:26,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:26,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:28,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:28,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:28,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:28,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:28,032 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:28,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-08 23:45:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:28,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:28,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:28,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:30,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:30,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:30,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:30,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:30,173 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:30,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-08 23:45:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:30,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:30,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:45:30,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:32,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:32,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:32,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:32,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:32,485 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:32,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-08 23:45:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:32,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:32,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:32,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:34,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-08 23:45:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:34,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:34,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:34,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:34,720 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:34,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-08 23:45:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:35,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:35,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:35,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:36,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:36,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:36,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:36,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:36,851 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:36,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-08 23:45:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:37,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:37,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:37,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:38,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:38,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:38,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:38,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:38,986 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:38,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-08 23:45:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:39,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:39,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:39,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:41,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-08 23:45:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:41,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:41,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:41,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:41,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:41,124 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:41,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-08 23:45:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:41,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:41,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:41,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:43,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-08 23:45:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:43,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:43,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:43,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:43,362 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:43,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-08 23:45:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:43,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:43,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:43,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:45,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:45,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:45,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:45,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:45,507 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:45,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-08 23:45:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:45,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:45,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:45,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:47,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:47,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:47,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:47,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:47,655 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:47,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-08 23:45:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:47,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:48,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:48,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:49,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-08 23:45:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:49,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:49,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:49,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:49,834 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:49,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-08 23:45:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:50,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:50,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:50,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:51,940 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:51,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:51,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:51,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:51,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:51,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:51,951 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:51,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-08 23:45:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:52,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:52,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:52,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:54,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:54,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:54,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:54,083 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:54,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:54,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:54,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:54,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:54,085 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:54,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-08 23:45:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:54,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:54,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:54,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:56,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-08 23:45:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:56,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:56,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:56,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:56,274 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:56,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-08 23:45:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:56,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:56,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:56,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:45:58,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:45:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:45:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:45:58,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:58,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:58,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:58,639 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:58,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-08 23:45:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:58,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:59,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:45:59,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:00,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:00,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:00,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:00,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:00,919 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:00,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-08 23:46:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:01,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:01,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:01,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:03,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:03,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:03,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:03,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:03,018 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:03,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-08 23:46:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:03,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:03,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:03,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:05,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-08 23:46:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:05,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:05,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:05,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:05,223 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:05,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-08 23:46:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:05,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:05,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:05,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:07,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:07,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:07,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:07,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:07,539 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:07,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-08 23:46:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:07,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:07,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:46:07,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:10,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:10,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:10,131 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:10,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:10,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:10,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:10,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:10,133 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:10,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-08 23:46:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:10,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:10,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:10,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:12,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:12,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:12,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:12,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:12,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:12,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:12,505 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:12,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-08 23:46:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:46:12,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:15,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:15,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:15,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:15,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:15,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:15,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:15,138 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:15,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-08 23:46:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:15,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:15,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:15,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:17,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:17,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:17,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:17,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:17,504 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:17,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-08 23:46:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:17,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:17,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:17,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:19,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:19,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:19,828 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:19,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:19,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:19,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:19,831 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:19,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-08 23:46:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:20,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:20,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:46:20,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:22,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:22,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:22,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:22,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:22,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:22,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:22,418 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:22,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-08 23:46:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:22,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:23,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:23,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:25,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:25,019 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:25,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:25,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:25,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:25,020 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:25,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-08 23:46:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:25,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:25,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:25,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:27,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:27,417 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:27,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:27,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:27,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:27,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:27,419 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:27,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-08 23:46:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:27,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:27,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:27,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:29,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:29,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:29,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:29,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:29,765 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:29,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-08 23:46:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:30,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:30,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:30,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:32,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-08 23:46:32,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:32,316 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:32,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:32,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:32,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:32,317 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:32,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-08 23:46:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:32,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:32,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:32,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:34,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:34,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:34,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:34,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:34,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:34,702 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:34,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-08 23:46:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:35,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:35,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:35,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:37,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:37,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:37,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:37,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:37,072 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:37,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-08 23:46:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:37,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:37,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:37,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:39,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-08 23:46:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:39,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:39,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:39,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:39,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:39,434 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:39,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-08 23:46:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:39,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:39,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:46:39,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:41,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-08 23:46:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:41,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:41,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:41,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:41,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:41,911 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:41,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-08 23:46:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:42,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:42,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:42,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:44,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:44,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:44,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:44,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:44,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:44,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:44,302 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:44,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-08 23:46:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:44,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:44,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:44,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:46,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:46,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:46,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:46,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:46,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:46,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:46,832 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:46,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-08 23:46:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:47,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:47,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:47,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:49,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:49,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:49,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:49,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:49,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:49,391 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:49,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-08 23:46:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:49,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:49,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:49,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:51,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:51,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:51,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:51,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:51,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:51,831 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:51,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-08 23:46:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:52,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:52,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:52,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:54,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:54,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:54,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:54,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:54,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:54,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:54,361 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:54,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-08 23:46:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:54,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:54,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:54,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:56,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:56,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:56,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:56,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:56,839 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:56,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-08 23:46:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:57,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:57,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:57,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:46:59,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-08 23:46:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:46:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:46:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:46:59,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:59,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:59,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:59,258 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:59,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-08 23:46:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:59,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:59,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:46:59,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:01,588 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:01,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:01,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:01,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:01,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:01,600 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:01,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-08 23:47:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:01,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:01,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:01,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:04,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-08 23:47:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:04,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:04,167 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:04,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:04,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:04,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:04,168 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:04,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-08 23:47:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:04,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:04,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:04,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:06,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:06,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:06,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:06,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:06,172 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:06,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-08 23:47:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:06,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:06,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:06,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:08,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:08,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:08,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:08,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:08,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:08,294 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:08,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-08 23:47:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:08,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:08,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:08,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:10,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:10,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:10,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:10,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:10,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:10,635 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:10,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-08 23:47:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:10,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:11,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:11,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:13,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:13,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:13,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:13,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:13,168 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:13,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-08 23:47:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:13,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:13,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:47:13,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:15,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:15,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:15,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:15,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:15,935 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:15,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-08 23:47:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:16,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:16,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:16,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:18,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:18,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:18,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:18,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:18,157 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:18,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-08 23:47:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:18,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:18,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:18,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:20,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-08 23:47:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:20,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:20,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:20,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:20,307 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:20,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-08 23:47:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:20,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:20,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:20,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:22,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:22,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:22,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:22,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:22,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:22,333 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:22,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-08 23:47:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:22,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:22,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:47:22,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:24,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:24,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:24,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:24,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:24,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:24,805 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:24,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-08 23:47:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:25,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:25,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:25,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:27,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:27,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:27,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:27,182 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:27,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:27,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:27,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:27,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:27,184 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:27,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-08 23:47:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:27,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:27,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:27,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:30,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:30,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:30,147 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:30,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:30,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:30,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:30,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:30,149 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:30,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-08 23:47:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:30,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:30,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:47:30,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:33,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:33,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:33,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:33,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:33,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:33,313 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:33,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-08 23:47:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:33,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:36,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:36,235 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:36,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:36,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:36,237 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:36,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-08 23:47:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:36,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:36,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:36,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:39,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:39,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:39,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:39,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:39,043 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:39,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-08 23:47:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:39,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:39,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:39,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:41,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:41,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:41,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:41,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:41,564 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:41,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-08 23:47:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:41,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:41,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:41,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:44,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:44,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:44,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:44,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:44,406 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:44,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-08 23:47:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:44,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:44,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:44,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:47,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:47,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:47,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:47,236 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:47,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:47,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:47,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:47,237 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:47,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-08 23:47:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:47,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:47,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:47,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:49,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:50,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:50,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:50,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:50,007 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:50,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-08 23:47:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:50,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:50,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:47:50,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:52,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-08 23:47:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:53,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:53,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:53,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:53,019 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:53,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-08 23:47:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:53,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:53,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:53,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:55,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:55,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:55,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:55,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:55,423 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:55,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-08 23:47:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:55,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:55,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:55,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:47:58,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:47:58,035 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:47:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:47:58,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:58,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:58,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:58,037 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:58,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-08 23:47:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:58,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:58,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:58,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:00,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:00,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:00,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:00,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:00,664 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:00,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-08 23:48:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:01,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:01,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:01,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:03,390 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:03,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-08 23:48:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:03,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:03,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:03,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:03,401 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:03,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-08 23:48:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:03,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:03,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:03,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:06,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:06,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:06,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:06,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:06,051 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:06,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-08 23:48:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:06,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:06,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:06,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:08,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:08,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:08,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:08,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:08,370 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:08,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-08 23:48:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:08,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:08,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:08,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:10,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:10,902 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:10,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:10,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:10,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:10,903 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:10,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-08 23:48:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:11,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:11,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:11,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:13,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:13,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:13,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:13,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:13,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:13,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:13,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:13,552 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:13,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-08 23:48:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:13,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:13,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:13,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:16,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:16,081 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:16,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:16,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:16,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:16,085 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:16,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-08 23:48:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:48:16,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:18,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:18,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:18,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:18,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:18,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:18,732 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:18,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-08 23:48:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:19,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:19,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:19,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:21,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:21,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:21,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:21,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:21,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:21,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:21,123 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:21,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-08 23:48:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:21,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:21,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:21,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:23,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:23,648 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:23,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:23,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:23,651 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:23,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-08 23:48:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:23,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:23,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:23,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:25,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-08 23:48:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:25,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:25,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:25,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:25,638 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:25,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-08 23:48:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:25,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:26,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:26,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:28,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:28,215 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:28,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:28,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:28,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:28,217 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:28,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-08 23:48:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:28,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:28,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:28,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:30,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:30,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:30,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:30,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:30,669 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:30,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-08 23:48:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:31,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:31,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:31,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:33,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:33,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:33,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:33,362 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:33,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:33,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:33,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:33,364 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:33,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-08 23:48:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:33,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:33,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:33,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:35,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:35,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:35,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:35,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:35,733 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:35,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-08 23:48:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:36,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:36,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:48:36,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:38,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:38,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:38,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:38,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:38,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:38,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:38,400 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:38,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-08 23:48:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:38,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:38,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:38,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:41,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:41,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:41,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:41,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:41,075 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:41,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-08 23:48:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:41,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:41,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:41,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:43,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:43,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:43,822 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:43,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:43,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:43,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:43,823 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:43,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-08 23:48:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:44,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:44,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:44,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:46,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-08 23:48:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:46,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:46,078 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:46,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:46,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:46,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:46,081 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:46,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-08 23:48:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:46,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:46,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:46,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:48,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:48,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:48,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:48,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:48,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:48,322 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:48,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-08 23:48:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:48,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:48,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:48,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:51,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:51,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:51,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:51,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:51,136 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:51,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-08 23:48:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:51,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:51,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:51,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:54,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:54,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:54,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:54,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:54,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:54,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:54,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:54,143 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:54,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-08 23:48:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:54,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:54,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:54,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:56,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:56,686 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:56,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:56,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:56,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:56,687 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:56,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-08 23:48:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:57,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:57,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:48:57,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:48:59,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:48:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:48:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:48:59,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:59,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:59,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:59,786 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:59,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-08 23:49:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:00,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:00,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:00,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:02,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-08 23:49:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:02,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:02,420 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:02,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:02,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:02,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:02,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:02,422 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:02,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-08 23:49:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:02,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:02,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:03,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:05,085 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:05,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-08 23:49:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:05,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:05,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:05,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:05,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:05,101 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:05,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-08 23:49:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:05,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:05,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:05,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:07,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:07,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:07,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:07,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:07,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:07,621 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:07,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-08 23:49:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:07,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:08,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:08,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:10,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:10,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:10,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:10,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:10,297 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:10,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-08 23:49:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:10,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:10,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:10,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:13,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:13,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:13,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:13,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:13,312 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:13,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-08 23:49:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:13,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:13,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:13,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:15,750 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:15,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-08 23:49:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:15,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:15,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:15,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:15,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:15,768 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:15,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-08 23:49:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:16,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:16,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:16,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:18,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-08 23:49:18,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:18,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:18,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:18,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:18,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:18,267 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:18,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-08 23:49:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:18,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:18,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:49:18,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:20,966 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:20,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:21,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:21,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:21,092 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:21,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-08 23:49:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:21,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:21,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:21,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:23,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-08 23:49:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:24,001 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:24,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:24,002 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:24,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-08 23:49:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:24,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:24,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:24,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:26,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:26,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:26,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:26,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:26,144 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:26,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-08 23:49:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:26,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:26,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:49:26,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:28,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:28,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:28,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:28,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:28,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:28,890 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:28,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-08 23:49:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:29,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:29,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:29,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:31,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:31,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:31,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:31,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:31,442 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:31,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-08 23:49:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:31,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:31,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:31,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:34,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:34,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:34,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:34,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:34,350 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:34,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-08 23:49:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:34,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:34,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:34,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:36,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:36,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:36,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:36,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:36,948 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:36,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-08 23:49:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:37,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:37,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:37,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:39,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:39,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:39,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:39,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:39,676 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:39,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-08 23:49:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:40,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:40,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:40,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:42,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:42,181 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:42,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:42,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:42,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:42,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:42,182 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:42,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-08 23:49:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:42,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:42,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:42,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:44,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:44,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:44,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:44,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:44,987 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:44,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-08 23:49:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:45,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:45,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:49:45,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:47,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-08 23:49:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:47,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:47,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:47,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:47,460 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:47,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-08 23:49:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:47,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:47,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:47,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:50,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-08 23:49:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:50,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:50,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:50,236 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:50,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-08 23:49:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:50,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:50,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:50,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:52,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:52,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:52,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:52,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:52,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:52,840 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:52,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-08 23:49:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:53,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:53,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:53,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:55,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:55,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:55,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:55,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:55,473 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:55,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-08 23:49:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:55,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:55,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:55,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:49:58,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-08 23:49:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:49:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:49:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:49:58,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:58,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:58,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:58,032 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:58,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-08 23:49:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:58,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:58,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:49:58,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:00,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:00,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:00,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:00,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:00,571 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:00,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-08 23:50:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:00,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:00,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:00,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:03,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:03,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:03,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:03,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:03,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:03,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:03,165 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:03,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-08 23:50:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:03,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:03,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:03,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:05,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:05,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:05,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:05,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:05,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:05,900 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:05,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-08 23:50:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:06,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:06,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:06,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:08,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:08,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:08,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:08,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:08,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:08,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:08,846 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:08,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-08 23:50:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:09,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:09,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:09,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:11,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:11,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:11,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:11,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:11,394 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:11,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-08 23:50:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:11,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:11,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:50:11,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:14,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-08 23:50:14,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:14,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:14,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:14,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:14,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:14,417 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:14,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-08 23:50:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:14,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:14,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:14,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:17,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:17,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:17,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:17,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:17,087 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:17,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-08 23:50:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:17,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:17,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:17,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:19,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:19,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:19,666 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:19,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:19,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:19,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:19,668 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:19,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-08 23:50:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:20,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:20,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:20,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:22,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:22,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:22,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:22,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:22,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:22,183 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:22,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-08 23:50:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:22,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:22,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:22,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:25,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:25,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:25,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:25,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:25,194 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:25,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-08 23:50:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:25,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:25,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:25,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:27,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:27,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:27,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:27,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:27,966 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:27,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-08 23:50:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:28,334 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:28,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:28,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:30,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:30,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:30,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:30,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:30,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:30,627 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:30,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-08 23:50:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:30,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:31,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:31,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:33,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-08 23:50:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:33,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:33,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:33,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:33,319 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:33,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-08 23:50:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:33,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:33,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:33,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:35,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:35,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:35,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:35,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:35,990 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:35,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-08 23:50:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:36,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:36,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:36,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:38,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-08 23:50:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:38,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:38,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:38,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:38,628 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:38,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-08 23:50:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:39,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:39,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:39,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:41,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:41,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:41,237 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:41,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:41,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:41,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:41,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:41,239 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:41,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-08 23:50:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:41,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:41,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:41,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:43,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-08 23:50:43,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:43,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:43,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:43,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:43,958 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:43,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-08 23:50:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:44,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:44,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:44,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:46,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:46,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:46,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:46,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:46,820 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:46,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-08 23:50:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:47,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:47,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:47,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:49,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:49,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:49,368 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:49,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:49,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:49,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:49,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:49,370 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:49,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-08 23:50:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:49,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:49,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:49,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:52,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:52,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:52,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:52,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:52,048 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:52,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-08 23:50:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:52,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:52,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:52,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:54,751 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:54,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:54,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:54,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:54,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:54,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:54,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:54,765 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:54,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-08 23:50:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:55,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:55,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:55,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:57,489 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:50:57,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:57,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:57,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:50:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:50:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:50:57,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:57,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:57,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:57,500 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:57,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-08 23:50:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:57,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:57,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:50:57,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:00,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-08 23:51:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:00,152 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:00,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:00,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:00,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:00,154 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:00,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-08 23:51:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:00,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:00,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:00,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:02,912 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:02,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:02,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:02,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:02,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:02,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:02,924 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:02,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-08 23:51:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:03,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:03,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:03,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:05,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:05,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:05,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:05,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:05,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:05,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:05,622 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:05,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-08 23:51:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:06,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:06,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:06,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:08,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:08,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:08,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:08,322 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:08,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:08,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:08,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:08,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:08,323 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:08,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-08 23:51:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:08,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:08,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:51:08,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:11,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:11,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:11,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:11,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:11,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:11,381 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:11,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-08 23:51:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:11,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:11,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:11,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:14,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-08 23:51:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:14,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:14,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:14,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:14,091 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:14,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-08 23:51:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:14,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:14,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:14,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:16,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:16,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:16,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:16,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:16,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:16,712 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:16,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-08 23:51:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:17,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:17,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:17,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:19,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:19,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:19,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:19,301 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:19,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:19,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:19,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:19,303 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:19,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-08 23:51:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:19,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:19,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:19,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:21,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:21,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:21,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:21,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:21,906 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:21,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-08 23:51:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:22,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:22,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:22,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:24,467 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:24,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:24,476 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:24,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:24,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:24,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:24,480 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:24,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-08 23:51:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:24,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:24,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:51:24,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:27,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:27,253 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:27,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:27,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:27,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:27,255 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:27,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-08 23:51:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:27,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:27,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:27,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:29,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:29,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:29,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:29,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:29,891 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:29,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-08 23:51:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:30,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:30,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:30,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:32,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-08 23:51:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:32,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:32,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:32,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:32,551 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:32,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-08 23:51:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:33,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:33,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:33,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:35,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:35,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:35,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:35,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:35,196 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:35,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-08 23:51:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:35,545 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:35,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:35,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:37,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:37,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:37,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:37,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:37,757 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:37,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-08 23:51:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:38,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:38,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:38,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:40,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:40,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:40,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:40,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:40,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:40,325 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:40,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-08 23:51:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:40,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:40,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:40,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:42,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:42,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:42,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:42,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:42,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:42,924 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:42,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-08 23:51:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:43,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:43,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:43,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:45,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:45,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:45,505 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:45,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-08 23:51:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:45,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:45,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:45,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:48,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:48,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:48,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:48,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:48,099 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:48,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-08 23:51:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:48,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:48,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:48,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:50,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:50,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:50,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:50,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:50,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:50,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:50,675 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:50,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-08 23:51:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:51,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:51,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:51:51,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:53,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-08 23:51:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:53,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:53,606 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:53,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-08 23:51:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:53,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:54,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:54,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:56,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:56,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:56,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:56,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:56,194 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:56,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-08 23:51:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:56,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:56,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:56,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:51:58,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:51:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:51:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:51:58,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:58,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:58,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:58,794 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:58,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-08 23:51:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:59,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:59,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:51:59,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:01,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:01,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:01,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:01,362 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:01,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:01,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:01,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:01,363 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:01,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-08 23:52:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:01,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:01,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:01,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:04,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:04,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:04,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:04,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:04,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:04,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:04,159 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:04,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-08 23:52:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:04,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:04,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:04,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:06,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:06,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:06,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:06,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:06,759 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:06,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-08 23:52:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:07,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:07,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:07,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:09,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:09,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:09,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:09,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:09,340 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:09,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-08 23:52:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:09,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:09,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:52:09,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:12,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:12,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:12,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:12,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:12,181 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:12,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-08 23:52:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:12,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:12,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:12,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:14,976 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:14,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:14,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:14,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:14,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:14,987 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:14,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-08 23:52:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:15,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:15,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:15,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:17,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:17,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:17,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:17,542 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:17,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:17,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:17,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:17,543 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:17,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-08 23:52:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:17,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:17,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:17,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:20,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-08 23:52:20,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:20,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:20,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:20,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:20,128 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:20,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-08 23:52:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:20,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:20,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:20,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:22,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:22,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:22,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:22,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:22,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:22,785 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:22,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-08 23:52:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:23,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:23,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:23,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:25,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:25,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:25,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:25,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:25,400 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:25,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-08 23:52:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:25,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:25,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:25,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:27,979 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:27,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:27,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:27,989 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:27,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:27,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:27,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:27,993 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:27,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-08 23:52:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:28,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:28,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:28,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:30,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:30,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:30,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:30,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:30,590 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:30,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-08 23:52:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:30,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:31,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:31,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:33,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:33,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:33,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:33,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:33,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:33,282 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:33,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-08 23:52:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:33,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:33,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:33,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:35,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:35,830 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:35,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:35,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:35,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:35,834 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:35,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-08 23:52:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:36,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:36,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:52:36,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:38,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-08 23:52:38,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:38,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:38,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:38,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:38,621 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:38,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-08 23:52:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:38,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:39,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:39,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:41,188 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:41,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:41,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:41,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:41,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:41,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:41,200 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:41,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-08 23:52:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:41,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:41,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:52:41,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:43,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:44,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:44,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:44,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:44,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:44,047 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:44,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-08 23:52:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:44,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:44,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:44,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:46,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:46,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:46,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:46,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:46,553 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:46,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-08 23:52:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:46,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:46,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:46,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:49,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:49,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:49,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:49,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:49,054 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:49,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-08 23:52:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:49,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:49,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:49,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:51,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:51,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:51,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:51,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:51,569 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:51,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-08 23:52:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:51,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:51,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:51,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:54,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:54,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:54,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:54,259 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:54,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:54,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:54,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:54,261 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:54,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-08 23:52:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:54,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:54,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:54,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:56,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:56,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:56,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:56,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:56,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:56,796 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:56,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-08 23:52:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:52:57,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:52:59,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:52:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:52:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:52:59,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:59,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:59,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:59,401 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:59,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-08 23:52:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:59,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:59,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:52:59,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:02,083 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:53:02,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:53:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:53:02,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:53:02,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:02,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:02,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:02,231 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:02,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-08 23:53:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:02,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:02,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:53:02,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:53:04,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-11-08 23:53:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-08 23:53:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:53:04,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:04,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:04,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:04,854 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:04,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a69a45-9398-4b2c-b61a-4cf169727128/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-08 23:53:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:05,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:05,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:53:05,274 INFO L278 TraceCheckSpWp]: Computing forward predicates...